AK in SB w lots of action going on

[kenny7]

PokerStars Game #12726246988: Tournament #64581960, $10+$1 Hold'em No
Limit - Level VI (100/200) - 2007/10/19 - 19:08:30 (ET)
Table '64581960 2' 9-max Seat #1 is the button
Seat 1: (3374 in chips)
Hero : (2975 in chips)
Seat 3: (3475 in chips)
Seat 4: (2550 in chips)
Seat 5: (3585 in chips)
Seat 7: (2076 in chips)
Seat 8: (4185 in chips)
Seat 9: (4780 in chips)
Hero : posts small blind 100
Seat 3: posts big blind 200
*** HOLE CARDS ***
Dealt to HERO [A [img]/images/graemlins/heart.gif[/img]K [img]/images/graemlins/heart.gif[/img]]
1 fold
Seat 5: raises 400 to 600
Seat 7: folds
Seat 8: calls 600
Seat 9: calls 600
Seat 1: folds
HERO : ???

Even though OR has been pretty tight, with my stack I assume this is a push? Table has been pretty standard,maybe on the tight side.