A5 suited on the bubble

[willperkins]

How would you play this hand? Villian seems like a decent player and the hands he has shown have been reasonable. (stack sizes are approximate)

$10/$1 No limit Full Tilt
Blinds are 80/160
UTG: t3500
MP: t2300
SB (Hero) t1600
BB (Villian) t6100

Hero: A [img]/images/graemlins/spade.gif[/img]5 [img]/images/graemlins/spade.gif[/img]

SB (Hero) posts: t 80
BB (Villian) posts: t160

UTG: Fold
MP: Fold
Hero: Raises to t500
Villian: Pushes All In

Hero?