Im glad you brought them up. I am really looking at there 72" t5 system.
I was actually about to buy it this week
http://www.aquauniverse.com/component/option,com_phpshop/page,shop.browse/category_id,62/keyword,/manufacturer_id,/Itemid,31/orderby,pshop_product.product_name/limit,10/limitstart,10/