you could also look at the kessil's seen here:
http://www.canreef.com/vbulletin/sho...threadid=85070
IMO I would only look at leds once you figure the price of bulbs every six months the leds will end up saving after about 3-5 years of use depending on which led and or t5 you chose.
(I run radions and they are incredible)