was playing a quick heads up match... had this had like fourth hand, reasonably even chip stacks. i didnt think there was any way he had a hand with a 6 in it... what do you guys think? was instant call the right play?

PokerStars Game #5249134085: Tournament #26433486, $5.00+$0.25 Hold'em No Limit - Match Round I, Level I (10/20) - 2006/06/14 - 02:10:13 (ET)
Table '26433486 1' 2-max Seat #2 is the button
Seat 1: kleb (1580 in chips)
Seat 2: goravenclaw1 (1420 in chips)
goravenclaw1: posts small blind 10
kleb: posts big blind 20
*** HOLE CARDS ***
Dealt to goravenclaw1 [4d 4s]
goravenclaw1: raises 60 to 80
kleb: calls 60
*** FLOP *** [2h 6h 3c]
kleb: checks
goravenclaw1: bets 200
kleb: raises 1300 to 1500 and is all-in
goravenclaw1: calls 1140 and is all-in


{read the faq
results dont make a difference and if u cared about getting better, u wont care about wat the turn or river brought.
vqc}