you could get 2 400watt systems with the cooltube reflectors(check this link)http://cgi.ebay.com/400-HPS-Cool-Tube-Grow-Light-w-Ballast-sodium-cooltube_W0QQitemZ270443014542QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item3ef7a8e98e&_trksid=p3286.c0.m14
And get metal halide bulbs fer vegging and...