Lets compare it with 6970:
with 3Gb and 384-bit memory this card should be really strong in high resolutions (Full HD+) and the 28nm give it a edge in terms of power-consumption and heating.
I will leave here some professional reviews links, i would love to give you my own review but i just cant afford that =(
here tou have the links:
anandtech
Guru3D
Techpowerup
So guys, what do you think? will AMD lead for long or will nvidia hit hard and nasty?