mate i got my lights from this guy . he's a e bayer . 600 watt hps was 79.99 and i got carbon filters from him too. i would really recommend this guy. i can show sum of the results from his lights in a link .
the link is for the guy that sells the lights
http://www.basementlighting.co.uk/
my plants
http://boards.cannabis.com/showthread.php?t=78575

http://boards.cannabis.com/showthread.php?t=78436