I voted No.
Do I think he's doing a better job than Dan Didio? Yes I do, but alot of the bold chances he's taking don't seem to working out for him like before.
The Ultimate line, MK Imprint, storylines, signing of creators (actually, he seems to not be on the same level with alot of them (JMS, Morrison etc.) don't seem to be working out as best as they could.
In short, i think the honeymoon with Quesada is over and he's done a terrific job at marvel, one of the best EIC's in my opinion but he's not doing anything revolutionary anymore. I believe he will stiill be EIC at Marvel for awhile though.