I have to recommend www.kegconnection.com
I just received my two faucet tower homebrew kit. I had to call their customer service to place my order because I wanted to use some Visa gift cards I had lying around and they took all three of them and the balance through PayPal. Very helpful people, and my kit is awesome.
They also sell kits for commercial beer and you can call them up if you want to make changes/swaps to the kit, i.e. no CO2 cylinder, different taps, etc.
For your needs if you want to go cheap I'd recommend this kit
If you have a bit more money I'd suggest you go with their premium kit
Their prices are very competitive too.