I'm a lag preflop, calling station post with AJs

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Party Poker 2/4 Hold'em (10 handed) converter

I like my relative position to the three bettor post flop... but what do you think about play on all streets? I haven't capped AJs before...little to laggish?

CO and Button are both LAPs with vpip above 50, MP3 has been playing very aggressive with any ace, any two face.

Preflop: Hero is UTG+1 with J[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/heart.gif[/img]. CO posts a blind of $2.
<font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises</font>, <font color="#666666">3 folds</font>, <font color="#CC3333">MP3 3-bets</font>, CO (poster) calls, Button calls, <font color="#666666">2 folds</font>, <font color="#CC3333">Hero caps</font>, MP3 calls, CO calls, Button calls.

Flop: (17.50 SB) K[img]/images/graemlins/club.gif[/img], 4[img]/images/graemlins/heart.gif[/img], 4[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
Hero checks, <font color="#CC3333">MP3 bets</font>, CO calls, Button folds, Hero calls.

Turn: (10.25 BB) Q[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
Hero checks, <font color="#CC3333">MP3 bets</font>, CO calls, Hero calls.

River: (13.25 BB) T[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets</font>, MP3 calls, CO folds.

Final Pot: 15.25 BB