Originally Posted by ElmhurstNick

I'd like to see an assessment of what type of play is necessary to make it worth my while to participate in the various programs.

I typically only play low-level blackjack, pai gow poker, hold-em, and some 9/6 or maybe 9/5 Deuces Wild. At most Vegas casinos, it's not worth my effort to even get a card if I can even find a place to play, but at some non-Vegas casinos I can get a reasonable comp with 2-3 hours of play (except for hold-em, where the card is really only good for calling ahead to reserve a seat).