Comments welcome.  

Should I have just folded pre?
Should I bet the flop?
Was my bet size wrong on turn?
Was it just a terrible call on river?
GAME #3920589192: Holdem NL - 2012-01-03 21:22:03 
Tournament  (610457441) 
Table GPS Seat Stage 2 
Server poker17.ipoker.com  
Seat 1: demtek (4,540.00 in chips) 
Seat 2: Scusman (5,915.00 in chips) 
Seat 3: me (2,395.00 in chips) 
Seat 4: 180legend (695.00 in chips) 
Seat 5: Dr0pTheHammer (3,650.00 in chips) 
Seat 6: betspliff (1,870.00 in chips) 
Seat 9: wheresmejulie (3,030.00 in chips) 
Seat 10: 38Hunk (1,485.00 in chips)  
38Hunk: SB 50.00 
demtek: BB 100.00 
*** HOLE CARDS *** 
Dealt to me [SA S7] 
Scusman: Fold  
me: Call 100.00 
180legend: Fold  
Dr0pTheHammer: Fold  
betspliff: Fold  
wheresmejulie: Call 100.00 
38Hunk: Fold  
demtek: Check  
*** FLOP *** [C4 SJ D6] 
demtek: Check  
me: Check  
wheresmejulie: Check  
*** TURN *** [C4 SJ D6 HA] 
demtek: Check  
me: Bet 200.00 
wheresmejulie: Call 200.00 
demtek: Call 200.00 
*** RIVER *** [C4 SJ D6 HA D3] 
demtek: Check  
me: Bet 475.00 
wheresmejulie: Fold  
demtek: Raise 4,240.00 
me: Allin 1,620.00 
*** SHOW DOWN *** 
demtek: shows [H2 D5] (Straight) 
me: shows (mucked) [SA S7] (Pair)