If he folded Aces, than it was an amazing fold. A more callable flop raise or even a flat call might have gotten more money, as your opponents probably are drawing to runners or 2 outs. Really depends on their betting/calling behavior.
http://www.youtube.com/watch?v=EBvge-c2_Xg http://www.youtube.com/watch?v=w-Xz8aLuD7Y
Forum Rules