I have a 3x250 watt HQI w 4x80watt T5 HO fixture for sale. The fixture is from this company and is the same as the fixture in the link below but mine has 4-80 watt T5s not 2.
http://www.catalinaaquarium.com/store/product_info.php?cPath=71_75&products_id=1639
It may need a new cooling fan on the one side. I also have extra end caps for the halides/T5s and some bulbs. Let me know if you have any interest at all. Asking $500.