Blinds w/ 44

[Elektrik]

PP$100

Button (t1160)
SB (t1145)
Hero (t2725)
UTG (t1050)
MP1 (t985)
MP2 (t1780)
CO (t1155)

Preflop: Hero is BB with 4/images/graemlins/diamond.gif, 4/images/graemlins/spade.gif.
<font color="#666666">4 folds</font>, <font color="#CC3333">Button raises to t200</font>, <font color="#666666">1 fold</font>, Hero calls t100.

Flop: (t450) T/images/graemlins/diamond.gif, 8/images/graemlins/spade.gif, 2/images/graemlins/club.gif <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">Button bets t100</font>, <font color="#CC3333">Hero raises to t400</font>

1) Push preflop?
2) Bet the flop?