Oh good another thread for people to whinge in, get butt hurt, and buy consoles instead.
I have preordered with the intension of not being disappointed on release if they turn out to be good. If less than 20% improvement over my Xp then I'll probably cancel. If they turn out to be 40% faster I'm betting they'll be more orders perhaps less stock and the price will defiantly go up, on some cards it has already, it'll be the 8700k all over again, that got flamed on release, a few weeks later the same people were clambering for them. We'll see, I'm hoping we see benchmarks well before the 13th though.