AK with small stack... limper calls and I miss :(

[Equal]

Just got moved to table... behind button (how lucky) and villian hadn't played a hand yet.

Party Poker No-Limit Hold'em Tourney, Big Blind is t300 (10 handed) converter

BB (t3080)
UTG (t1897)
UTG+1 (t9119)
UTG+2 (t5530)
MP1 (t6315)
Hero (t3806)
MP3 (t6546)
CO (t9441)
Button (t2884)
SB (t2940)

Preflop: Hero is MP2 with K[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/heart.gif[/img].
<font color="#666666">3 folds</font>, MP1 calls t300, <font color="#CC3333">Hero raises to t1000</font>, <font color="#666666">5 folds</font>, MP1 calls t700.

Flop: (t2450) 4[img]/images/graemlins/diamond.gif[/img], 7[img]/images/graemlins/spade.gif[/img], 6[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">MP1 bets t300</font>, Hero calls t300.

Turn: (t3050) 9[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">MP1 bets t300</font>, Hero pushes all-in!

How bad is this?