DIY T5HO Lighting vs. Buying fixture

[WhiskeyD]

I need new lights for my planted 75G but i cant decide if i should DIY or just buy an already made fixture? I want to speed $200 max so i was thinking it might be cheaper to go with a DIY setup since i have a canopy. I want 4 bulbs so i know i will need 2 ballasts. Any ideas on what i should buy? I dont really know whats good in the DIY world.

I was looking at this light Catalina Aquarium is it any good?

[WhiskeyD]

No one has done a DIY T5HO!? I really want some input, i would like to order the parts or a complete fixture ASAP.