I completely agree with WW.
Certainly Count's best case is going to be altVP stuff like Duke and Silk Roads, but even then, I can think of a lot of less expensive cards that also rock in those situations (like Horse Traders, Feast, Ironworks, Beggar...).
Everyone needs to check themselves when the say "X is a pretty solid card." Okay, what does that mean? Is it better than Market? I don't think Count is, on average, a better card than Market. I'm pretty confident it's worse. Is Market a "pretty solid card?" If Market isn't, than Count isn't. Does Market crack the top 50%? I don't know if it does. There are a lot of awesome cards taking up like the first 20 slots, and then there are a lot of good cards that used to be great cards getting pushed out. Laboratory was once considered the second best $5 card! Well, by theory, who was wrong there to begin with, but you know, subsequent expansions introduced a whole bunch of cards that displaced Laboratory, either directly (like Hunting Party) or indirectly (like good draw cards that, when coupled with villages, make for a better engine than a bunch of Labs). Now, is Laboratory "a pretty solid card?" Yeah, I think it passes that test. Does Count? I really don't think so.