Well, you have already seen the video thread. I would suggest reading, studying, planning, and acting before you spend any money. There are a ton of things to be considered, but 2 tons of info on RIU to help.
By all means Ringsixty had good good words. Start very simply... a premium organic soil, some inert perlite, and a simple nutrient regimen. Changes can always be made later. But it is important to get a successful grow under your belt first. The best buzz you will EVER get is the first hit off your own budz!