11$, Tough? spot with overpair

[Dimitzu]

Level 1 so no reads.
Button thought about 7 seconds after my raise.
SB insta-called after Button pushed.

Party Poker No-Limit Hold'em Tourney, Big Blind is t40 (9 handed) Hand History converter Courtesy of PokerZion.com

SB (t1040)
BB (t2000)
Hero (t4060)
UTG+1 (t1960)
MP1 (t1960)
MP2 (t1620)
MP3 (t1940)
CO (t2320)
Button (t3100)

Preflop: Hero is UTG with A[img]/images/graemlins/spade.gif[/img], A[img]/images/graemlins/heart.gif[/img].
<font color="#CC3333">Hero raises to t160</font>, <font color="#666666">3 folds</font>, MP3 calls t160, <font color="#666666">1 fold</font>, Button calls t160, SB calls t140, BB calls t120.

Flop: (t800) T[img]/images/graemlins/spade.gif[/img], 4[img]/images/graemlins/spade.gif[/img], 2[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(5 players)</font>
<font color="#CC3333">SB bets t240</font>, BB folds, <font color="#CC3333">Hero raises to t800</font>, MP3 folds, <font color="#CC3333">Button raises to t2940</font>, SB calls t660, Hero?