Get the Mr. Beer kegs. One case of beer each.
Buy their premium mixes. Don't use the plastic PET bottles.
Get non-twistoff bottles (buy them full, drink them, then sterilize them) and real caps and a capper.
Bottle prime them with the carbonation drops from www.williamsbrewing.com
instead of table sugar or corn sugar. I have much better results this way. One drop per 12 oz, 2 per 22-24 oz. I prefer 24oz bottles. Half the capping, twice the happiness.
I also use liquid yeast grown specifically for the type of beer I brew (each batch) then save some from each batch for each consecutive batch. I buy the liquid yeast from a local brewer'* supply, but Mr. Beer also has it now.
You really just need to start with a basic kit and see where it leads you. That'* what I did. I'm a bit more refined now, but not nearly to the point where it takes me hours to brew.
I had 11 cases of homebrew at WCBF, and they were all a big hit. My alcohol content is carefully crafted to be a little on the high side, too.