Hi, I just bought 4 QB288 v2's with a HLG-480H-54B for veg(thank you cobkits!) and 4 QB288 v2 Rspec's(arriving tomorrow) . I'm looking for some advice as to what driver to buy for the rspec's. would it be best to get a single 600w driver or 2 smaller drivers? I also grabbed slate 2 heatsinks so...