Read this post, now...these light brights are fuckin' expensive. Don't remember what he said, but thousands, not just a few bucks... Read it anyway, it may be helpful for when you get started...
http://www.rollitup.org/indoor-growing/276449-lumigrow-es-600w-challenge.html
http://www.rollitup.org/indoor-growing/276449-lumigrow-es-600w-challenge.html