I love Raymond Chen's old new thing, also Mark Russinovich's SysInternals - because of these two (and real job involving Windows) - I actually enjoy it when I can solve the next "weird" windows problems some of my coworkers would have (but then again I don't know as much as I wish - but it's fun time overall).

And while I disagree with Raymond on the MSVCRT.DLL topic, I can also see his point (and I might've took it, if I was working for Microsoft)