AQs utg in 10+1 at stars

First hand ever here on 2+2, be gentle.

PokerStars Game #2612252875: Tournament #12758919, Hold'em No Limit - Level IV (50/100) - 2005/09/19 - 12:06:25 (ET)
Table '12758919 1' Seat #4 is the button
Seat 1: CRP1 (2885 in chips)
Seat 3: xenogears112 (3760 in chips)
Seat 4: kdcurent (2005 in chips)
Seat 5: Jackal-Lion (1485 in chips)
Seat 6: Sotally Tobr (950 in chips)
Seat 7: thorsi (960 in chips)
Seat 8: coco8uk (1130 in chips)
Seat 9: GrayFOX22 (325 in chips)
Jackal-Lion: posts small blind 50
Sotally Tobr: posts big blind 100
*** HOLE CARDS ***
Dealt to thorsi [Ah Qh]
thorsi: raises 200 to 300
coco8uk: calls 300
GrayFOX22: raises 25 to 325 and is all-in
CRP1: folds
xenogears112: folds
kdcurent: raises 675 to 1000
Jackal-Lion: folds
Sotally Tobr: folds
thorsi: ??

Well guys, easy or not?

I seem to misjudge these situations. Perhaps better to limp?

I am a newbie, only have some 250 sng's played. 100 5+,5 with roi 22%, then 120 10+1 with roi 30%, then 30 20+2 roi -10% [img]/images/graemlins/frown.gif[/img]