I should have mentioned that the deal I posted is good for people going the normal PSU route. Of course server psu's can be cheaper. I have been researching them, but there seems to be too many variables to work out, or I'm overcomplicating things. Most every full guide I see shows using a 750w psu. I need my ants running at max gh/s no matter the extra cost of power because my power is cheap. And the 750 won't allow me to run 2 fully oc'd.

I'm most interested in 1l1l11ll1l's setup. I was going to convert all my psu's to server ones for my S1 ants, but in the end it may be too costly and time consuming after buying server psu's plus all the extra bits you need, it adds up. My current train of thought is to just upgrade all my S1's to S2's in a few months and sell all the S1's. Since the S2's come with a decent psu and is easy to upgrade using a normal computer psu, then I don't even need to worry about server psu's at all.