Just a few links I came across for mocking WCF in case anyone else needs them.
This tutorial was great: http://weblogs.asp.net/cibrax/unit-tests-for-wcf
The only issue being that it was missing a few class definitions (IIncomingWebRequestContext and IOutgoingResponseContext). I got lucky and was able to find full code samples at the following links:
Just in case these links ever go down: