I got my MH ballast
here http://www.aquariumhardware.com/catalog/Ballasts-28-4.html they have severl types to choose from and prices are not bad either. Hope this helps
I have a Ballast for T5's that I have never used that I do not need. I will take 45.00 shipped for it. I also have a used URI Ballast with heat sink and harness for 95.00 shipped. It was made by Icecap is suppose to be the same as the icecap 660 if you are intrested pm me your email address and...