Well I use the Perlick 525 SS
But any real faucet will work. If you have a fridge you put your keg in now you could buy a kit like this
I've had a few friends use them and like them a lot, just make sure to drill only on door, don't want to hit freon lines.
I have heard of people being able to use picnic taps with something like 25 feet + of line, but if starts leaking and don't catch it early, could end up with 5 gallons of water on your floor. (or if the tap gets trapped as a friend of yours closes the fridge and ends up pouring about 4 gallons of beer everywhere, the reason I built a keezer, didn't want to have to clean that up again!) :-)