Most floyds on guitars of that price aren't the best, but they're still better than the Edge 3. Design-wise they have nearly the same concept, as they're both designed off of the same thing.
Ibanez RG570 circa 1993
Ibanez S2020XAV
Carvin DC127
EVH 5153 50w
Orange PPC112
My edge III stays in tune perfectly for a long time. I've had no negative experiences with it.