They also bring in results from codeproject.com. This definitely makes MSDN search a first stop for tech-related info. No more weeding out experts-exchange or software.informer results from my Google search.

I'm curious about the weighting they give for different sites. Some search terms don't bring in results from StackOverflow like I thought they would.

* They also bring in results from codeproject.com.*

Now that (CodeProject) result aggregation, yeah that's extremely cool/useful/helpful... did not know this.