Ben H Blog - Keep it Simple, Then Refactor.

This has been out for a few months, but I just ran across it.  This is an update to the Web Services Software Factory that was released by the Patterns and Practices group last year.  This one includes loads of stuff that will help you use WCF and also migrate your current asmx web services over to WCF.  Check it out!

http://msdn2.microsoft.com/en-us/library/aa480534.aspx