If you havnt heard of them already, they are called DrDamage and Recount. Used together they have awesome graphs and info.
DrDamage takes into account things like crit chance, hit, average damage, DPE, and if im not mistaken adjusts to your targets possible stats. It also goes straight into your tooltips.
Recount is like improved damage meters. It can adjust to total damage, dps, damage taken, and much more. My favorite part of this one is its graphs, just click on anyones name in the window and bam a pie chart with percentages showing top to bottom. Thats not all thogh, shift click a name and get a wonderful graph chart with filters.
Anyway I just thaught I'd share. Very nice addons. You can get at curse gaming from the links that follow:
DrDamage
Recount