Ace in the SB - push?

12 left in the $3 multi last night on Stars, I am short stacked.

It seems a no brainer, but was just wondering if there are any reasons to maybe fold here?

PokerStars Game #3034034364: Tournament #14705422, Hold'em No Limit - Level XVII
(4000/8000) - 2005/11/11 - 20:37:28 (ET)
Table '14705422 33' Seat #4 is the button
Seat 1: Arinus (344728 in chips)
Seat 2: udflyers86 (116766 in chips)
Seat 3: HLAH12 (125315 in chips)
Seat 4: 1FrogLover (387545 in chips)
Seat 7: Spellcast (74976 in chips)
Seat 9: tjperske (105729 in chips)
Arinus: posts the ante 400
udflyers86: posts the ante 400
HLAH12: posts the ante 400
1FrogLover: posts the ante 400
Spellcast: posts the ante 400
tjperske: posts the ante 400
Spellcast: posts small blind 4000
tjperske: posts big blind 8000
*** HOLE CARDS ***
Dealt to Spellcast [Ad 5h]
Arinus: folds
udflyers86: folds
HLAH12: folds
1FrogLover: folds
Spellcast: raises 66576 to 74576 and is all-in
tjperske: calls 66576
*** FLOP *** [3d Ah 7d]
*** TURN *** [3d Ah 7d] [Ts]
*** RIVER *** [3d Ah 7d Ts] [Kc]
*** SHOW DOWN ***
Spellcast: shows [Ad 5h] (a pair of Aces)
tjperske: shows [Ac Jc] (a pair of Aces - Jack kicker)
udflyers86 said, "gg spell"
1FrogLover said, "nh"
tjperske collected 151552 from pot

[DarrenX]

No brainer- tough break.