Villain is a solid, winning reg, running 18/15/3 over a lot of hands. He might think I'm a little spewy... he's seen me 4bet light and make a couple of big bluffs.

Too nitty?

Full Tilt Poker - No Limit Holdem Ring game - Blinds: $3/$6 - 5 players - Converter

Stack sizes:
UTG: $160
CO: $78.85
Button: $1209.55
Hero: $1393.45
BB: $473

Pre-flop: (5 players) Hero is SB with A K
2 folds, Button raises to $21, Hero raises to $81, BB folds, Button raises to $249, Hero folds.