AQ vs. limp, re-raise, take a look

[EasilyFound]

please critique my play and how you'd play the final round if you found yourself in my place at that time:

Party Poker No-Limit Hold'em Tourney, Big Blind is t30 (7 handed) converter

UTG (t735)
MP1 (t2012)
MP2 (t1718)
Hero (t960)
Button (t730)
SB (t1015)
BB (t830)

Preflop: Hero is CO with A[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/heart.gif[/img].
<font color="#666666">1 fold</font>, MP1 calls t30, MP2 calls t30, <font color="#CC3333">Hero raises to t100</font>, <font color="#666666">3 folds</font>, <font color="#CC3333">MP1 raises to t300</font>, MP2 folds, Hero calls t200.

Flop: (t675) T[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
MP1 checks, Hero checks.

Turn: (t675) 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
MP1 checks, Hero checks.

River: (t675) 3[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">MP1 bets t600</font>, Hero ???