JJ Hand - You decide

$33 MTT, table has been aggressive, the two villians in this hand have shown down everything from low PPs to suited connectors and Ace suited.

How would you play this hand 1) preflop 2) flop

PokerStars No-Limit Hold'em Tourney, Big Blind is t200 (8 handed) FTR converter on zerodivide.cx

BB (t8115)
UTG (t3724)
UTG+1 (t16305)
MP1 (t21675)
MP2 (t2092)
CO (t16069)
Button (t11764)
Hero (t11410)

Preflop: Hero is SB with J[img]/images/graemlins/diamond.gif[/img], J[img]/images/graemlins/heart.gif[/img].
<font color="#666666">4 folds</font>, CO calls t200, <font color="#CC3333">Button raises to t800</font>, Hero calls t700, <font color="#666666">1 fold</font>, CO calls t600.

Flop: (t2475) 5[img]/images/graemlins/diamond.gif[/img], 3[img]/images/graemlins/club.gif[/img], 4[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets t1400</font>, CO calls t1400, <font color="#CC3333">Button raises to t4400</font>,

Hero....
(very large stack still to act behind)