A-Z DotNet Forum - Help with designing, developing, debugging, testing, deploying, and managing applications created with Visual Studio .NET . - http://www.groupsrv.com/dotnet
GotDotNet - Official Microsoft .NET discussion forum. - http://www.gotdotnet.com/community/messageboard
Wrox DotNET Forum - .NET related forum run by programmers for programmers, provided by Wrox Press. - http://p2p.wrox.com/default.asp?CAT_ID=21