Forums

http://groups.yahoo.com/group/vsnetaddin --This is a yahoo group called vsnetaddin, which is specifically for the development of Visual Studio.NET macros and add-ins.

news://microsoft.public.vsnet.ide -- This is a newsgroup that focuses on adding onto and enhancing the VS.NET IDE. You can access the group through Google Groups (formerly DejaNews) through http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&oe=UTF-8&group=microsoft.public.vsnet.ide