Hey man, I made a similar character. Straight Human Fighter (Brawler). It's level 4 right now, but I got more planned out. Here's my list of feats (In no particular order).
Already taken:
Improved Shield Bash
Two Weapon Fighting
Power Attack
Weapon Focus (Shield)
Dodge
Weapon Specialization (Shield)
Planned:
Greater Weapon Focus
Bashing Finish
Dazing Assault
Cornugon Smash
Shatter Defenses
Deadly Stroke
Toughness
Step Up, Following Step, Step Up and Strike
Double Slice, Two Weapon Rend
Improved Two Weapon Fighting
Weapon Specialization
Improved Bull Rush, Greater Bull Rush
Spiked Destroyer
Shield Focus
Missile Shield
Shield Slam
Shield Master