I picked up a couple of OEM pcs last week. They are both HP h9 1150t. They came with x79 Express mobos, i7 3820 cpus, 16gb ram, HTC 550ti and bluray players. For $100 each I thought they were a steal.
I had also just purchased a lot of 4 sapphire nitro+ rx 470s for $65 each for various builds...