Building a GPU rig will only offset your costs. Breaking even is a thing of the past, unless you're not paying for power and have a crazy cheap source for used GPUs.

I would strongly consider it, provided he isn't trying to claim it's worth more than he actually paid for the pre-order

Apparently you can wire them to a breadboard

5, which means 3 to go for me 

I love the way Bitcoins made me realise I'm not as much of an early adopter as I'd always thought I was
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