6.50 - Shove over BTN raise with ATo on bubble?

[STALLOWN3D]

Anyone shove over this? BTN has been extremely aggro in these spots

PokerStars No-Limit Hold'em Tourney, Big Blind is t200 (4 handed) Poker Stars Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

UTG (t2745)
Button (t3135)
SB (t5430)
Hero (t2190)

Preflop: Hero is BB with T[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/club.gif[/img].
<font color="#666666">2 folds</font>, <font color="#CC3333">SB raises to t825</font>, Hero ???