I'm trying to figure out which Feats are "perfect", and by "perfect" I mean "balanced".

For example, "Run" has been considered a horrible Feat since the days of yore when 3.0 first came out. "Power Attack" is one of the best Feats a warrior-type can get. "Leadership" is broken because it can so easily be abused.

(Amazingly enough, I don't think I've run into a discussion about which Feats ARE unbalanced one way or the other...)