Would one of you be kind enough to fill me (and others, I presume) in on the collecting of slot cards? I'm just curious--do you guys just pick them up from the casinos if people leave them behind at machines, or collect them from the desk, or what? I have a few cards at home that, when I signed up, they game me two of them. I would be willing to trade these duplicates for some chips, but is this ok to do? AND, perhaps those of you who are intersted in such a thing could email me and I'll send out my list of cards...Please enlighten me--inquiring minds want to know! Thanks!