Greater Two-Weapon Fighting.
It says you get a third off hand attack, well in order to make that third you must have made two off-hand attacks before it...[/word twist]
Other than that, honestly not sure. Most Fighter Feats suck without TO-level interpretation (like lightning maces). Is Snap Kick a Fighter Bonus?
Ring the Golden Bell, Dragon Mag #?: WisMod+1/day your unarmed attack is a ranged attack.
Robilar's Gambit, requires decent Dex and Combat Reflexes.
Boomerang Daze: Instant CC action.
Whirlwind Attack: Before BAB grants additional Attacks per round, this is a great alternative.