What a cool idea! The MSDN folks have taken the code used to support the ASP.NET Forums, and extended it to provide their own MSDN Forums, now in beta.
Some of the new stuff they've added is described here:
and includes special buttons for formatting code in posts (which also marks the post as "containing code"), as well as the ability for readers to mark responses to their questions as "correct answers", which should be very useful in weeding out the good advice from the bad.
Even better, the online search in Visual Studio 2005 will search the forums for threads relating to your search terms, so you'll have an even better chance of finding what you need.