[Coz]

I think alot of the time this hand is AK, AQ, or AJ. He thinks you are on a steal and believes his hand is strong enough to take the pot down preflop. I could also see opponnent doing this with 88+, and KQ. I would re-raise this to something like 7200, by commiting about half your stack I believe you will have alot of fold equity, and even if you are called, I believe you are ahead of his range and you still have a good hand. If he calls I would push any non A or K flop.