As promised I uploaded the wrapper for the Skyhook Wireless SDK for Windows Mobile to the Skyhook Wireless discussion group. I tried the wrapper out with the 3.0 SDK and it works fine. It exposes all the SDK functionality with the exception of the WPS_tune_location function (I have no idea what that function does). So I am done with my interaction with the Skyhook Wireless SDK for now.
If you program in C# or VB.Net and want to use the SDK then you can get the code from the files area of the Skyhook Wireless discussion group.