hey get this everything is looking good but i got a question iv seen them new dimmable ballasts online but when i looked at the picture it said 100% 75% 50% and super lumen so what seting is for the 400 watt? i want to get one of these myself so what kind of bulb you got in there and is it a good ballast? strong,as energy saveing as they say and how cool does it run? thanks man keep up the good work:thumbsup: