re: Poker & Online poker stats
Not what you asked for, but the most probable reason for why you're noticing all those bad beats:
On a sidenote, most people muck their cards when they lose a hand. Do you always check the hand history to make sure that you had the best hand preflop or on the flop? I know I don't. I've probably sucked out on people a lot more than I realize, since I never check when I do, but I always notice when it's me on the other end.
To answer your actual question: PokerTracker will tell you what you need to know.