Any other good MS related forums?

I've recently made a thread about good MS related Twitter accounts to follow and got a lot of useful comments, so what about forums?

What MS or Windows related forums do you visit? And why?

So far I have found this forum to be the best - not overpopulated, and relatively civilized ;)

The only other forum I have visited regularly is WPCentral, but it has so much going on that it's hard to find posts that are actually good and useful.