How much money do you want to spend?
There are a lot of homebrew suppliers around the country (and the world)... and making beer can be nearly as easy as making a cake from a box.
MoreBeer! is a well known supplier, based in Northern California.
http://morebeer.com/category/persona...ment-kits.html
I started with something similar to this:
http://morebeer.com/products/persona...-standard.html
My current homebrew system is based on this setup:
http://morebeer.com/products/b3200-1...in-system.html