I cant decide whether to buy a radeon hd 7950 now or get the radeon hd 8950 once it comes out. When should it come out (before/after 2013)? Is there a notable performence increase? How long would the hd 7950 last until it cant run all games at max at 1600 or so resoloutions (how many years/generations of gpu i.e. the 5000 gpus can still run most current gen games on max)?
The only reason to wait IMO would be because you already have a pretty substantial graphics system. As already stated, if you are going to wait for the 8000 series then why not just wait for the 9000 series and so on.