For somebody who wanted to get into Advantage Play on Video Poker, where would I start, as far as learning, researching, scouting out good machines? What are the best machines? What type of bankroll would I need? Where would I find a guide to the proper plays to make at the machines?

I started reading some threads on AP VP, (I have a lot more reading to do). I always heard talk of Advantage Play on Video Poker, Jacks or Better, Double Bonus Poker, etc.