I would be interested in buying the remaining 280x toxics and all of the 270x if all 4 are still available. Just to make matters simple as coins are fluctuating alot right now. I wouldn't need the boxes as long as you would be willing to deal with warranty issues if something went wrong otherwise I would prefer the boxes with the proof of purchase as well as possibly a copy of the invoice of purchase for warranty issues. But if all this is okay with you I would offer $1,400. I may possibly be interested in the lot of 270s but would like to know what kh/s you were getting with them and also if you have and Mobos with 6+ PCIE hookups (1x-16x doesnt matter thought 16x is prefered) and if you have any 1000w+ PSUs