Pro-grow has a new 400"X" model with a lot of improvements (should be a Magnum Killer).
http://www.hydroponicshut.com/pro-grow-led-400x-indoor-grow-light-growlight-hydroponics-hut.html
http://www.growmedical420.com/the-new-pro-grow-400x-led-grow-light/
And it looks like Vipar is about to...