Never really seen this guy before this session, but he struck me as a fish the couple hands I saw him play. I think he was slow-playing a set on the flop. What do you put him on, and do you call or fold?

PokerStars Game #2700094257: Hold'em No Limit ($2/$4) - 2005/10/01 - 01:33:30 (ET)
Table 'Asplinda' Seat #2 is the button
Seat 1: MiracleFlop ($488.70 in chips)
Seat 2: AZdave1974 ($448.95 in chips)
Seat 3: taywilson200 ($396 in chips)
Seat 5: jd075 ($219 in chips)
Seat 6: Pred or Prey ($114 in chips)
Seat 7: kshoe20 ($449.15 in chips)
Seat 8: dsaxton ($853 in chips)
Seat 9: rdegs21 ($601.65 in chips)
taywilson200: posts small blind $2
jd075: posts big blind $4
*** HOLE CARDS ***
Dealt to dsaxton [Qc Qs]
Pred or Prey: calls $4
kshoe20: calls $4
dsaxton: raises $12 to $16
rdegs21: folds
MiracleFlop: folds
AZdave1974: calls $16
taywilson200: folds
jd075: folds
Pred or Prey: calls $12
kshoe20: calls $12
*** FLOP *** [4s 2d 7s]
Pred or Prey: bets $16
kshoe20: folds
dsaxton: raises $36 to $52
AZdave1974: calls $52
Pred or Prey: folds
*** TURN *** [4s 2d 7s] [Jh]
dsaxton: checks
AZdave1974: bets $380.95 and is all-in
dsaxton: ???