While it is nice to get +1 to your AC against a single chosen opponent, I don’t think it’s really worth an entire feat – even if it does lead to a nice feat chain. I change how Dodge works and hopefully make it a little more worth the cost, and let you get even better at it.
Dodge [Dodge]
Prereqs: Dex 13
Benefit: You get a +1 dodge bonus to AC against all melee attacks.
Notes: This replaces the Revised System Resource Document Dodge feat.
Greater Dodge [Dodge]
Prereqs: Dex 13, Ref +5, Dodge, Improved Dodge
Benefit: You get a +1 dodge bonus to AC against all melee attacks. This stacks with the bonus from Dodge and Improved Dodge.
Improved Dodge [Mobility]
Prereqs: Dex 13, Ref +3, Dodge
Benefit: You get a +1 dodge bonus to AC against all melee attacks. This stacks with the bonus from Dodge.
Ranged Dodge [Dodge]
Prereqs: Dex 13, Ref +3, Dodge
Benefit: You can apply the dodge bonus gained from Dodge, Improved Dodge and Greater Dodge against ranged attacks.
Normal: The bonuses gained from these feats apply only to melee attacks.