Glenn Dorsey is significantly ahead of Sedrick Ellis.
Ellis is a rare commodity in his own right, a try-hard guy with great work ethic . . . at 300lbs. He's a very safe bet at DT, and that's unusual. 300lbs aren't usually known for their effort and work ethic.
But in terms of flat-out physical talent Ellis isn't in the same hemisphere as Dorsey. In fact, I imagine Ellis will end up being a 2-gap NT type before it's all said and done, because he just doesn't strike me as a potentially dominate pass rusher at the NFL level. Dorsey is.
Dorsey isn't Warren Sapp. Who is? But Dorsey is as close as we've gotten since Warren Sapp himself. There's a clear gap between Dorsey and Ellis