diff --git a/CHANGELOG b/CHANGELOG
index 9e49ae9cf..3397760f9 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,13 @@
+4.0.3
+
+    * Fixes bug with `slcli vs ready` command
+
+    * Fixes bug with `slcli loadbal service-add` command
+
+    * Fixes bug with `slcli vlan list` with vlans that don't have a datacenter
+
+    * Improves validation of virtual server and hardware create commands
+
 4.0.2
 
     * Fixes a bug that breaks user confirmation prompts
diff --git a/SoftLayer/CLI/core.py b/SoftLayer/CLI/core.py
index a68395225..066b2173e 100644
--- a/SoftLayer/CLI/core.py
+++ b/SoftLayer/CLI/core.py
@@ -176,6 +176,7 @@ def output_result(ctx, result, timings=False, **kwargs):
 def main():
     """Main program. Catches several common errors and displays them nicely."""
     exit_status = 0
+
     try:
         cli.main()
     except SoftLayer.SoftLayerAPIError as ex:
diff --git a/SoftLayer/CLI/environment.py b/SoftLayer/CLI/environment.py
index f58005900..ab3d1dbe0 100644
--- a/SoftLayer/CLI/environment.py
+++ b/SoftLayer/CLI/environment.py
@@ -16,6 +16,9 @@
 
 # pylint: disable=too-many-instance-attributes, invalid-name, no-self-use
 
+# Calling pkg_resources.iter_entry_points shows a false-positive
+# pylint: disable=no-member
+
 
 class Environment(object):
     """Provides access to the current CLI environment."""
diff --git a/SoftLayer/CLI/loadbal/service_add.py b/SoftLayer/CLI/loadbal/service_add.py
index 5a9fa982a..a9fdc04d9 100644
--- a/SoftLayer/CLI/loadbal/service_add.py
+++ b/SoftLayer/CLI/loadbal/service_add.py
@@ -24,9 +24,9 @@
 @click.option('--healthcheck-type',
               required=True,
               help="The health check type")
-@click.option('--ip-address', '--ip',
+@click.option('--ip-address',
               required=True,
-              help="The IP of the service")
+              help="The IP address of the service")
 @environment.pass_env
 def cli(env, identifier, enabled, port, weight, healthcheck_type, ip_address):
     """Adds a new load balancer service."""
@@ -40,7 +40,8 @@ def cli(env, identifier, enabled, port, weight, healthcheck_type, ip_address):
     if ip_address:
         ip_service = env.client['Network_Subnet_IpAddress']
         ip_record = ip_service.getByIpAddress(ip_address)
-        ip_address_id = ip_record['id']
+        if len(ip_record) > 0:
+            ip_address_id = ip_record['id']
 
     mgr.add_service(loadbal_id,
                     group_id,
diff --git a/SoftLayer/CLI/server/create.py b/SoftLayer/CLI/server/create.py
index 7e2517a84..704f5b5b3 100644
--- a/SoftLayer/CLI/server/create.py
+++ b/SoftLayer/CLI/server/create.py
@@ -52,6 +52,8 @@ def cli(env, **args):
     """Order/create a dedicated server."""
 
     template.update_with_template_args(args, list_args=['key'])
+    _validate_args(args)
+
     mgr = SoftLayer.HardwareManager(env.client)
 
     # Get the SSH keys
@@ -125,3 +127,20 @@ def cli(env, **args):
         output = table
 
     return output
+
+
+def _validate_args(args):
+    """Raises an ArgumentError if the given arguments are not valid."""
+    missing = []
+    for arg in ['size',
+                'datacenter',
+                'os',
+                'port_speed',
+                'hostname',
+                'domain']:
+        if not args.get(arg):
+            missing.append(arg)
+
+    if missing:
+        raise exceptions.ArgumentError('Missing required options: %s'
+                                       % ', '.join(missing))
diff --git a/SoftLayer/CLI/virt/create.py b/SoftLayer/CLI/virt/create.py
index 6f8ab6fa4..db09191b4 100644
--- a/SoftLayer/CLI/virt/create.py
+++ b/SoftLayer/CLI/virt/create.py
@@ -154,6 +154,14 @@ def cli(env, **args):
 
 def _validate_args(args):
     """Raises an ArgumentError if the given arguments are not valid."""
+    missing = []
+    for arg in ['cpu', 'memory', 'hostname', 'domain']:
+        if not args.get(arg):
+            missing.append(arg)
+
+    if missing:
+        raise exceptions.ArgumentError('Missing required options: %s'
+                                       % ', '.join(missing))
 
     if all([args['userdata'], args['userfile']]):
         raise exceptions.ArgumentError(
diff --git a/SoftLayer/CLI/virt/ready.py b/SoftLayer/CLI/virt/ready.py
index 1a1f05661..2ad1722a7 100644
--- a/SoftLayer/CLI/virt/ready.py
+++ b/SoftLayer/CLI/virt/ready.py
@@ -2,6 +2,7 @@
 # :license: MIT, see LICENSE for more details.
 
 import SoftLayer
+from SoftLayer.CLI import environment
 from SoftLayer.CLI import exceptions
 from SoftLayer.CLI import helpers
 
@@ -11,14 +12,13 @@
 @click.command()
 @click.argument('identifier')
 @click.option('--wait', default=0, type=click.INT, help="Name of the image")
+@environment.pass_env
 def cli(env, identifier, wait):
     """Check if a virtual server is ready."""
 
     vsi = SoftLayer.VSManager(env.client)
-
     vs_id = helpers.resolve_id(vsi.resolve_ids, identifier, 'VS')
     ready = vsi.wait_for_ready(vs_id, wait)
-
     if ready:
         return "READY"
     else:
diff --git a/SoftLayer/CLI/vlan/list.py b/SoftLayer/CLI/vlan/list.py
index e2b8d2670..cc7beef84 100644
--- a/SoftLayer/CLI/vlan/list.py
+++ b/SoftLayer/CLI/vlan/list.py
@@ -4,6 +4,7 @@
 import SoftLayer
 from SoftLayer.CLI import environment
 from SoftLayer.CLI import formatting
+from SoftLayer import utils
 
 
 import click
@@ -43,7 +44,7 @@ def cli(env, sortby, datacenter, number, name):
         table.add_row([
             vlan['id'],
             vlan['vlanNumber'],
-            vlan['primaryRouter']['datacenter']['name'],
+            utils.lookup(vlan, 'primaryRouter', 'datacenter', 'name'),
             vlan.get('name') or formatting.blank(),
             vlan['totalPrimaryIpAddressCount'],
             len(vlan['hardware']),
diff --git a/SoftLayer/consts.py b/SoftLayer/consts.py
index e0b285363..674f04608 100644
--- a/SoftLayer/consts.py
+++ b/SoftLayer/consts.py
@@ -5,7 +5,7 @@
 
     :license: MIT, see LICENSE for more details.
 """
-VERSION = 'v4.0.2'
+VERSION = 'v4.0.3'
 API_PUBLIC_ENDPOINT = 'https://api.softlayer.com/xmlrpc/v3.1/'
 API_PRIVATE_ENDPOINT = 'https://api.service.softlayer.com/xmlrpc/v3.1/'
 API_PUBLIC_ENDPOINT_REST = 'https://api.softlayer.com/rest/v3.1/'
diff --git a/SoftLayer/managers/iscsi.py b/SoftLayer/managers/iscsi.py
index 221cafd46..9c07a15da 100644
--- a/SoftLayer/managers/iscsi.py
+++ b/SoftLayer/managers/iscsi.py
@@ -5,6 +5,7 @@
 
     :license: MIT, see LICENSE for more details.
 """
+from SoftLayer import exceptions
 from SoftLayer import utils
 
 
@@ -28,8 +29,13 @@ def _find_item_prices(self, size, categorycode=''):
                     'categories': {
                         'categoryCode': {'operation': categorycode}
                     }}})
-        item_price = item_prices[0]['prices'][0]['id']
-        return item_price
+
+        for item_price in item_prices:
+            for price in item_price['prices']:
+                return price['id']
+
+        raise exceptions.SoftLayerError(
+            "Could not find a valid price with for the given size")
 
     def _build_order(self, item_price, location):
         """Returns a dict appropriate for Product_Order::placeOrder()."""
diff --git a/SoftLayer/managers/vs.py b/SoftLayer/managers/vs.py
index c7f9fbcfb..ebd523f45 100644
--- a/SoftLayer/managers/vs.py
+++ b/SoftLayer/managers/vs.py
@@ -449,7 +449,7 @@ def create_instance(self, **kwargs):
                                incur a fee on your account.
         :param int public_vlan: The ID of the public VLAN on which you want
                                 this VS placed.
-        :param int private_vlan: The ID of the public VLAN on which you want
+        :param int private_vlan: The ID of the private VLAN on which you want
                                  this VS placed.
         :param list disks: A list of disk capacities for this server.
         :param string post_uri: The URI of the post-install script to run
diff --git a/SoftLayer/testing/xmlrpc.py b/SoftLayer/testing/xmlrpc.py
index 920f86e17..47272616e 100644
--- a/SoftLayer/testing/xmlrpc.py
+++ b/SoftLayer/testing/xmlrpc.py
@@ -92,6 +92,6 @@ def create_test_server(transport, host='localhost', port=0):
     """Create a test XML-RPC server in a new thread."""
     server = TestServer(transport, (host, port), TestHandler)
     thread = threading.Thread(target=server.serve_forever,
-                              kwargs={'poll_interval': 0.05})
+                              kwargs={'poll_interval': 0.01})
     thread.start()
     return server
diff --git a/SoftLayer/tests/functional_tests.py b/SoftLayer/tests/functional_tests.py
index 53abe6eb9..69972319c 100644
--- a/SoftLayer/tests/functional_tests.py
+++ b/SoftLayer/tests/functional_tests.py
@@ -47,12 +47,10 @@ def test_no_hostname(self):
                 endpoint_url='http://notvalidsoftlayer.com',
             )
             transport(request)
-        except SoftLayer.SoftLayerAPIError as ex:
-            self.assertIn('not known', str(ex))
-            self.assertIn('not known', ex.faultString)
+        except SoftLayer.TransportError as ex:
             self.assertEqual(ex.faultCode, 0)
         else:
-            self.fail('No Exception Raised')
+            self.fail('Transport Error Exception Not Raised')
 
 
 class AuthedUser(FunctionalTest):
diff --git a/docs/conf.py b/docs/conf.py
index 55abd0f3f..0472001bc 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -55,9 +55,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '4.0.2'
+version = '4.0.3'
 # The full version, including alpha/beta/rc tags.
-release = '4.0.2'
+release = '4.0.3'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/setup.py b/setup.py
index 087610c3a..88132dbe8 100644
--- a/setup.py
+++ b/setup.py
@@ -2,6 +2,8 @@
 import sys
 import os
 
+from codecs import open
+
 try:
     from setuptools import setup, find_packages
 except ImportError:
@@ -18,7 +20,7 @@
     'six >= 1.7.0',
     'prettytable >= 0.7.0',
     'click',
-    'requests',
+    'requests >= 2.7.0',
 ]
 
 if sys.version_info < (2, 7):
@@ -27,14 +29,14 @@
 DESCRIPTION = "A library for SoftLayer's API"
 
 if os.path.exists('README.rst'):
-    with open('README.rst') as readme_file:
+    with open('README.rst', 'r', 'utf-8') as readme_file:
         LONG_DESCRIPTION = readme_file.read()
 else:
     LONG_DESCRIPTION = DESCRIPTION
 
 setup(
     name='SoftLayer',
-    version='4.0.2',
+    version='4.0.3',
     description=DESCRIPTION,
     long_description=LONG_DESCRIPTION,
     author='SoftLayer Technologies, Inc.',
diff --git a/tox.ini b/tox.ini
index cc18582c9..2f693b5e8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,10 @@
 [tox]
 envlist = py26,py27,py33,py34,pypy,analysis,coverage
+
 [testenv]
+setenv =
+    LANG = {env:LANG:C.UTF-8}
+
 deps = -r{toxinidir}/tools/test-requirements.txt
 commands = nosetests
 
@@ -24,13 +28,12 @@ commands =
     pylint SoftLayer \
            -r n \ # Don't show the long report
            --ignore=tests,fixtures \
-           -d too-many-locals \ # Too many local variables
-           -d star-args \       # Used * or ** magic
-           -d I0011 \           # Locally Disabling
+           -d too-many-locals \
+           -d star-args \
+           -d locally-disabled \
            --max-args=20 \
-           --max-branches=40 \
-           --max-statements=87 \
-           --max-returns=8 \
+           --max-branches=20 \
+           --max-statements=60 \
            --min-public-methods=0 \
            --min-similarity-lines=30
     pylint SoftLayer/testing/fixtures \