There is no official announcement of when the next generation graphics cards from AMD are coming out, but it's been almost a year since they released the HD7000 series. One would expect that the new cards to hit the market in early next year. When AMD released HD7000 series cards, the top of the line cards managed to excel the nVidia's top of the line cards by a fa. For that reason, AMD enjoyed high profits because they could sell the high-end cards at a price never seen before. The HD7970 was originally sold at $549 and HD7950 at $449. But such high price didn't stop people from buying those cards. Those cards were intended for enthusiasts and they would pay anything to own the cutting edge stuff.
There was one problem with the HD7900 series cards though. They did not widen the gap as much as people originally expected. The GTX580 was still competitive in the high-end segment. Only the HD7970 was faster. HD7950 was only slightly faster. Sometimes performing on par.