Before you build a kegerator, talk to me.

But, I'm going to say this now... don't buy one of those cheap chrome faucets. Get a perlick forward-sealing faucet. They're way cleaner and you don't have to take them apart and scrub the shit out of them every few weeks.

kegconnection.com has good prices on that sort of thing.

Oh, and don't buy a new CO2 cylinder. Find one that is still has a valid hydrostatic testing stamp on it and go used. You'll save a lot of money that way. New CO2 cylinders are rape -- you'll pay half price buying one used. Just make sure that it's been used for beverages and not other shit (paintball, etc) because you don't want a bunch of F*CKING oil in your cylinder.