Some good articles plus a free library were posted up at Bitterman’s blog. The articles cover making your game development more efficient by using various tecniques allowing you to modify stuff while the game is running, helping out with your debugging, profiling etc. Great articles that may teach you a thing or two about some nice features of C# too.
Ska Software, whose games I love, have a really, really awesome free game called Survival Crisis Z that makes me want to just give up and abandon Deadrock forever. Why should I bother now? What is the point? SCZ is the game Deadrock is supposed to be, pretty much.