($33): Win it now, or maintain a chip lead for heads up?

[xJMPx]

A hand like this was posted the other day, however my hand is stronger than in that post. I was wondering what people think of this play? More importantly, what do you think the Button’s range is here?

PartyPoker - NL Texas Hold'em $30 Buy-in + $3 Entry Fee Tournament | Level: 8 - 2 players (Converter: PGC)


Chip Counts:
Button: 2555 Chips
<font color="red">Hero: 5180 Chips</font>
BB: 265 Chips

Hero is SB with A[img]/images/graemlins/diamond.gif[/img] J[img]/images/graemlins/heart.gif[/img]
Blinds are 200/400

PreFlop
Button is All-In, <font color="green">Hero Calls</font>