TBH, I'm willing to quit mining whatsoever (paying
BTC30 for my SC60 preorder was a total bust returning me only
BTC8.45 so far) but here are my thoughts; I'd be interested in this, but nowhere above
BTC15. That should leave you with ~
BTC2 profit (provided you paid for it
BTC13) and buy me a good chance of having a ROI if they deliver after the end of January (which is the most possible scenario anyway).
Here's a proof of concept:
http://mining.thegenesisblock.com/a/75489feb7aIf you're interested in my offer PM me.