Have some stats on him, 18/15/3.5 over a decent sample, but no notes and I can't remember playing with him before. Common spot that I hate...

Full Tilt No-Limit Hold'em, $2.00 BB (6 handed) - Full-Tilt Converter Tool from FlopTurnRiver.com

saw flop

Hero (UTG) ($458.65)
MP ($294.75)
CO ($69.20)
Button ($229.50)
SB ($580.15)
BB ($200)

Preflop: Hero is UTG with J, J
Hero bets $7, 2 folds, Button calls $7, 2 folds

Flop: ($17) 3, 4, 2 (2 players)
Hero bets $13, Button raises to $42, Hero...