Skydiving Info?

Hey Guys! I'm new to skydiving as a sport, but would really like to try it. Since there's already another thread discussing what it was like to lose your skydiving virginity (I would love to hear a story or two, by the way), I'd love to ask you all about the technicalities of skydiving.

How long does it take you to learn? How much should I expect to pay for lessons? Any information would be much appreciated :)
Hi, if all is correct I am going to do a tandem jump this Saturday, no experience in it. First time. Cost about $350 and that is all included. (So I am a little lighter money wise :) But I have seen that there are different prices, so it also depend on where you are living ...