What you ask involves one of the problems from AMD/ATI. There is no real information about their products, and the have such strict NDAs that even if there is a sample product or review around, it can't be published until AMD gives the official ok. So what is there to talk about?
I can't say something good about the RD670 or the 790 chipset, or the Phenom, because I have no real review to discuss. I myself have been buying AMD chips for about seven years and would like to know something about Phenom, etc so I can decide whether or not I want it, how much money to put aside, and whether or not its competitve with Intel's and Nvidia's offerings. As it is, all I can do is wait and hope that AMD will someday allow the information out, that someday AMD will actually make the products instead of just saying that new products are on the way, and then hope that the Phenom and 790 chipset don't bomb out like the QFX did last year.