Depends on the class, spec, current gear, and fighting context.
Originally Posted by Muffin Man
Just like in Wrath of the Lich King, measuring DPS on heroics is meaningless for comparing to raids. Reason being is because things die at different speeds. The same is true of comparing trash DPS to boss DPS.
If you really want to know, look into the theorycrafting behind the particular class and spec. Run the numbers. And compare to a simple benchmark test such as a target dummy to see how that individual is performing. Currently in Cataclysm I would say the closest encounter to a Patchwerk benchmark test would be Argaloth in Baradin Hold. While the mechanics of the encounter are slightly ranged biased, it is currently the closest thing to a tank and spank burn.
"In anything, if you want to go from just a beginner to a pro, you need a montage." /w TankSpot WTB Montage for Raiders.