If it was used by you for even a second IT ISN'T NEW ANYMORE!!!
Again, why would anyone buy your "new" rig if he can buy a real new rig from a store with warranty for less than 3 btc?
My comment was not ment to spam your thread but to warn other users that your asking price is too high, even for a "new" rig.
Oh, and if I was wrong, why did you change the price from "over 3 btc" to "around 3 btc" ?
People here are not idiots, FYI.