Not just the bonus feats, you are also given Epic Superior Weapon Focus at each level.
That means you get two feats every third level, only one of 'em, you can't pick. With a fighter, you get one feat every two levels, and you can pick whichever one you want.
There are tricks to optimizing feats with the way Bioware did the epic feat system, but I don't much want to go back and test to figure it out again.