I had the privilege to work on the windows kernel team in the NT5 then XP days. I really wish they could share some of his code. it was the cleanest, well segmented, and commented code I've ever seen. it made the system much more maintainable and understandable, in areas that are inherently complex. great interfaces with a clear understanding of what was going in and coming out. and it helped all the other devs raise their game.