FTP $28K Deep - AK in the BB with lots of action in front

[Killingbird]

Table has been very aggro, but not so much the two villains...

About 40 people left at this point.

Full Tilt Poker
No Limit Holdem Tournament
Blinds: t2000/t4000
(Ante: t500)
8 players
Converter

Stack sizes:
UTG: t105746
UTG+1: t40810
MP1: t167598
MP2: t75782
CO: t51808
Button: t17450
SB: t70381
Hero: t80103

Pre-flop: (8 players) Hero is BB with A[img]/images/graemlins/diamond.gif[/img] K[img]/images/graemlins/club.gif[/img]
UTG folds, <font color="#cc0000">UTG+1 raises to t40000</font>, <font color="#cc0000">MP1 raises to t76000</font>, 4 folds,

HERO?