From
Shadowfoot's FEAT Extravaganza
IMPROVED FINESSE [Fighter] [General]
You nimbly deal damage with the selected weapon.
Prerequisites: Dexterity 17, BAB +10, Weapon Finesse feat, Proficiency with selected weapon.
Benefit: Select any Weapon Finesse weapon in which you are proficient. With this weapon, you may use your Dexterity modifier instead of your Strength modifier on damage rolls. Against creatures immune to critical hits, you use only your Strength modifier for damage rolls.
Special: You can gain Improved Finesse multiple times; its effects do not stack. Each time, it applies to a different weapon. You cannot apply Greater Finesse to any weapon in which you already enjoy Weapon Charm, Weapon Insight, Weapon Might, or Weapon Zen.
GREATER FINESSE [Fighter] [General]
You wield the selected weapon with both agility and brawn.
Prerequisites: Dexterity 19, Strength 13, BAB +12, Improved Finesse feat with selected weapon, Weapon Finesse feat.
Benefit: Select any weapon with which you enjoy Improved Weapon Finesse. With this weapon, you may add your Dexterity modifier to all attack rolls. If you carry a shield, its armor check penalty applies to your attack rolls.
Special: You can gain Greater Finesse multiple times; its effects do not stack. Each time, it applies to a different weapon. You cannot apply Greater Finesse to any weapon in which you already enjoy Weapon Charm, Weapon Insight, Weapon Might, or Weapon Zen.
ADVANCED FINESSE [Fighter] [General]
Your blows with selected weapon utilize both agility and brawn.
Prerequisites: Dexterity 19, Strength 13, BAB +14, Greater Finesse feat with selected weapon, Improved Finesse feat with selected weapon, Weapon Finesse feat.
Benefit: Select any weapon with which you enjoy Greater Weapon Finesse. With this weapon, you may add your Dexterity modifier to all damage rolls. Against creatures immune to critical hits, you use only your Strength modifier for damage rolls.
Special: You can gain Advanced Finesse multiple times; its effects do not stack. Each time, it applies to a different weapon. You cannot apply Advanced Finesse to any weapon in which you already enjoy Weapon Charm, Weapon Insight, Weapon Might, or Weapon Zen.
That's what I'd do, anyways