Raise A8 on level5?

[TheAmp]

Is it worth it to raise A8o here?

What's the proper game plan?

Party Poker No-Limit Hold'em Tourney, Big Blind is t200 (7 handed) converter (http://www.selachian.com/tools/bisonconverter/hhconverter.cgi)

BB (t1040)
UTG (t1680)
MP1 (t1545)
MP2 (t1530)
Hero (t1615)
Button (t1960)
SB (t630)

Preflop: Hero is CO with A/images/graemlins/diamond.gif, 8/images/graemlins/club.gif.
<font color="#666666">3 folds</font>, <font color="#CC3333">Hero raises to t475</font>, <font color="#666666">1 fold</font>, <font color="#CC3333">SB raises to t630 (All-In)</font>, <font color="#666666">1 fold</font>, Hero calls t155.

Flop: (t1460) 5/images/graemlins/diamond.gif, 7/images/graemlins/heart.gif, 9/images/graemlins/heart.gif <font color="#0000FF">(2 players, 1 all-in)</font>

Turn: (t1460) 4/images/graemlins/diamond.gif <font color="#0000FF">(2 players, 1 all-in)</font>

River: (t1460) 5/images/graemlins/heart.gif <font color="#0000FF">(2 players, 1 all-in)</font>

Final Pot: t1460

[curtains]

I generally fold here. It's especially annoying since you are pot committed if the BB goes allin. Just not the right time to try to win 300 in blinds IMO.