Equipment
I agree with most of the previous posters - a Tippmann or a Spyder are always a safe bet when beggining. I haven't been playing all that long and I started with a Spyder classic - and it's been fantastic - I also marshal at my local field where we use Tippmann Custom 98's, another great begginner gun. I would look more along the line of a Spyder Shutter or X-tra if going with a Kingman for approx $150 each - then you have approx. $50 for a electronic hopper - if you shoot a lot as fast as you can taht is! An alternate to a e-hopper is to go and get yourself a descent 20oz CO2 bottle with on/off valve. Easy to use, cheap, can fill it up at any site and minimal maintenance. Obviously safety is always top priority with paintball though - and don't skimp on the GOGGLES!! I'm sure you've used rental equip. and steamed up a storm. You can get some resonable thermal goggles for a good price now - under $40
Personally I would advise against going straight into an online auction to get your first gun, for a variety of reasons:
1) You don't wan't to risk being screwed on an auction, which although is unlikely, can happen.
2) When buying a marker on auction it's extremely difficult to tell what the condition of the gun is really in - and if you don't know your automag from your autococker then you could be stepping into uncharted territory and only come out burned with a bad paintball experience and be $300 down.
You're best bet is to go new - that way you get all new parts, a good warranty (and the privilige of walking onto the field with a shiny new paintball gun!).
Check out
www.actionvillage.com (a.k.a.
www.paintballgear.com)
I've bought from them in the past with prompt, friendly and efficient service, no probs.
Good luck, enjoy the sport and play safe!!