3.40 shove with super short stack all in

[Takeover_inc]

Is this ok? does the short stack going all in make much of a difference in my decision?

PokerStars Tournament, Big Blind is t200 (8 handed) Converter on pregopoker.com

UTG (t285)
UTG+1 (t355)
MP1 (t2710)
MP2 (t2160)
CO (t1350)
Button (t5660)
Hero (t1125)
BB (t1355)

Preflop: Hero is in SB with A[img]/images/graemlins/spade.gif[/img] 6[img]/images/graemlins/club.gif[/img]
<font color="gray">UTG folds</font>, <font color="red">UTG+1 raises to t355 (All-in)</font>, <font color="gray">MP1 folds</font>, <font color="gray">MP2 folds</font>, <font color="gray">CO folds</font>, <font color="gray">Button folds</font>, <font color="red">Hero raises to t1125 (All-in)