Originally Posted by mr_X
But at least for my tank, your talking a difference of thousands of dollars.
i thought you weren't lookign into doign a DIY hood.
its really the best option when you go for a tank the size of what you're looking to build but good find on that group buy, those XML are crees latest and greatest. you should see their specs and complare them to the already proven XP-Gs
edit: further looked into it and the prices are comparable to what rapid LED
sells them for so wherever you buy them from its more or less the same