Cheep 150w HPS ballast kit

Does anyone know the cheepest place to get a 150w HPS ballast kit? I cant find shit out there... I dont know if im just looking in the wrong places or what. There are some out there for around 30 bucks but i have no idea how to wire a ballast...

http://www.e-conolight.com/Product/EProductDetail.asp?ProductFamilyID=7&FGNumber=E-MT6H151G
click it twice if you have too

Thanks, I just ordered one of those to put in my smallest cabinet. I wonder how many orders e-conolights have had since the post? I have seen several other threads with the same link...

mate just go and steal the bloody thing!! lol most outside lights r btw 70 and 150 w lol thats wot i done hahaha