Call, reraise or push

[bkm]

$10+1 Party Poker No-Limit Hold'em Tourney, Big Blind is t100 (8 handed) converter

UTG (t695)
UTG+1 (t365)
MP1 (t2135)
MP2 (t995)
CO (t815)
Button (t253)
Hero (t1512)
BB (t1230)

Preflop: Hero is SB with A[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/spade.gif[/img].
<font color="#666666">3 folds</font>, <font color="#CC3333">MP2 raises to t200</font>, <font color="#666666">2 folds</font>, Hero ???

Yet, again, I have no idea what the min raise means. Is it my imagination or are a lot more people min raising?

Well, any way, what do I do here?