do we raise here? I am assuming yes...but then, if blackberry or iridium shove, then what? They are fairly tight players

Full Tilt Poker Game #22668848006: $24 + $2 Sit & Go (175079561), Table 1 - 200/400 - No Limit Hold'em - 23:26:38 ET - 2010/07/28
Seat 1: Iridium (6,669)
Seat 3: ProBala (4,230)
Seat 4: badjeffery (8,302)
Seat 7: zarger11 (6,493)
Seat 9: Blackberry_Jam (4,412)
Blackberry_Jam posts the small blind of 200
Iridium posts the big blind of 400
The button is in seat #7
*** HOLE CARDS ***
Dealt to zarger11 [Ad Jh]
ProBala folds
badjeffery folds
zarger11 ???