opinions on a 20+2 first hand AK TPTK push

[syphlix]

is this bad?...

should i be raising more preflop?...

should i be pushing after i get raised?...

Party Poker No-Limit Hold'em Tourney, Big Blind is t15 (10 handed) converter (http://www.selachian.com/tools/bisonconverter/hhconverter.cgi)

SB (t800)
BB (t800)
UTG (t800)
UTG+1 (t800)
UTG+2 (t800)
Hero (t800)
MP2 (t800)
MP3 (t800)
CO (t800)
Button (t800)

Preflop: Hero is MP1 with A/images/graemlins/heart.gif, K/images/graemlins/diamond.gif.
<font color="#666666">3 folds</font>, <font color="#CC3333">Hero raises to t50</font>, <font color="#666666">1 fold</font>, MP3 calls t50, <font color="#666666">1 fold</font>, Button calls t50, <font color="#666666">2 folds</font>.

Flop: (t172.50) T/images/graemlins/club.gif, 5/images/graemlins/diamond.gif, A/images/graemlins/diamond.gif <font color="#0000FF">(3 players)</font>
<font color="red"> Hero bets 150</font> , MP3 raises to 300, Hero raises all-in, MP3 calls

[mike28]

I probably push here. I have a feeling you've let him run into A5 though.

[Freudian]

Calling and pushing on the turn no matter what card comes might increase your chances of winning the hand, especially if another diamond falls.