Guys lets remember this is Newbie Central. The OP doesn't need a discourse on the merits of all the different kinds of lighting choices. So let's not go there. There are a couple of hot threads where blood is being spilled and reputations ruined over this topic. Plenty of fun to be had there
The OP needs a simple, reliable and reasonably priced solution.
My advice is to get a MH or better still an HPS.