Just put my 970s in this weekend. Haven't had time to mess actually overclock them yet (damn pesky family obligations) but here are some pics.
and here is a size comparison to a 680. These things are fat.
I've been wanting an IPS 1440p monitor for a while and finally took the plunge. I read good enough feedback to order the BenQ BL2710PT. I'll post up impressions as soon as I get it. It's on sale for $375 currently on BenQ's main website.
Just in case anyone does plan on pushing a 7970 to the limit on air, stay away from the reference design...unless you don't mind your computer sounding like a leaf blower.
I will give props to the reference fan on the 680 though, even at max speed, it was way quieter than my 7970's fan.
I...
http://www.evga.com/forums/tm.aspx?m=1548187
Latest rumors say at the end of this month and 4GB, still nothing official. Edit: Realized the 4gb advertised will just be 2GB a core like you were saying, damn false labeling..