I'd like to see more community interaction.  If you look at the PHP's help system on php.net/manual/, there's a LOT of community comments that really help explain things that some users don't quite understand.

Perhaps paying MVPs and authors to associate articles or comments or downloadable / working examples to various help entries would be also nice.

I'd also like to be able to place bounties on getting help that would then be added back to the community.  So, if I want to see an example for a class or method, I would like to place a "Help Wanted" sign on the class or method.  If it's really critical, I like to be able to pay for support on-demand (perhaps at $25 increments) that might be answered by either Microsoft or someone in the community.

I second the idea of better searchability and integration with existing content such as webcasts or other (possibly non-MS) online resources.