Oh, I saw it the next time I searched, hehe.

Yalp is what I use and it rules. It can calculate real-time dps or you can upload a log file after a raid and it will give you every stat you could possibly want. It *may* be able to calculate dot damage as it shows up in your combat log, but I personally haven't tried.

http://www.eternal-shadows.com/media/yalp10.zip

This company has several nice tools beside the parser. I was completating making a small utility to let me know when my Pet's Burnout wore off since we're at the period of the game when buff "wore off" messages weren't avialable.

Low and Behold Gambosoft GamTextTriggers v1.0.0!

I can have it trigger a nice timer for 15 minutes on some pre defined text such as "{s} goes berserk." and an interface will pop up timer bar :) And, at the end of the period it can pop up a message to remind me to recast burnout.