This is a great resource to keep at hand: Microsoft Win32 to Microsoft .NET Framework API Map. Of course, you need to keep PINVOKE.NET at hand as well. Think of them as lifejackets in the .NET world.
A list of suggested NLS updates is here.
Update 1: This account did not come with a pile of invites, so I have none to pass on. Update 2: If you want to get a Gmail account, you will need to wait. It does not appear that they are accepting new applications. You will just have to keep checking back and waiting. Update 3: Comments are closed on this post. It took them awhile, but Google is now issuing invitations to those of us who signed up and waited patiently. The advertised capabilities are nice. This is the one and only email they have ......