I have been on the hunt for a discounted high end GPU and accidentally came across this. They have a few in stock but I know they're selling fast because the 6800 model sold out within a few hours of listing.
According to PLE "Ex demo is normally cards on display but rarely used, that still come with the standard warranty"
I have watched a view reviews and these cards are very long so be mindful but if you can fit it you have one of quietest versions of the 6800 xt.
Ex-mining?