What about this hand? I've seen raiser make this kind of raise once before in a similar situation with limpers, but do not know what he has. Not sure if this is a normal raise or maybe a hand that doesn't want to see a flop. This is a 3.30 rebuy at PokerStars.

PokerStars Game #2902543553: Tournament #14116055, Hold'em No Limit - Level XII (800/1600) - 2005/10/26 - 23:20:32 (ET)
Table '14116055 116' Seat #9 is the button
Seat 1: TboneX (25609 in chips)
Seat 2: ptmarkg (42652 in chips)
Seat 3: pjabone (45948 in chips)
Seat 4: timmypop (40495 in chips)
Seat 5: Nut_FlushUB (28456 in chips)
Seat 6: goldyfishy (37115 in chips)
Seat 7: Percussion (35039 in chips)
Seat 8: NewJak (9610 in chips)
Seat 9: fioro (64946 in chips)
TboneX: posts the ante 75
ptmarkg: posts the ante 75
pjabone: posts the ante 75
timmypop: posts the ante 75
Nut_FlushUB: posts the ante 75
goldyfishy: posts the ante 75
Percussion: posts the ante 75
NewJak: posts the ante 75
fioro: posts the ante 75
TboneX: posts small blind 800
ptmarkg: posts big blind 1600
*** HOLE CARDS ***
Dealt to goldyfishy [Ts Td]
pjabone: folds
timmypop: calls 1600
Nut_FlushUB: raises 6400 to 8000

Hero?????