Via My Play, I just found out about ActualPlay.com, which describes itself as: “…a portal for roleplayers everywhere to find written or recorded accounts of RPG sessions from all different game worlds and systems.”
There are currently 121 actual play accounts listed in the archives, most of them in the form of brief blurbs linked to messageboard threads.
Seeing how other groups play can be a valuable tool for evaluating RPGs and learning new tricks of the trade, and ActualPlay does a good job of making actual play writeups (and recordings, etc.) accessible.
(You might also enjoy the Forge’s Actual Play forum, which — fittingly — tends to focus on accounts of indie RPG play.)