We managed to get some information about AMDs upcoming Radeon HD 7970 GHz Edition. It will not only be clocked at 1 GHz but will also feature a new chip. This new chip as been named Tahiti XT2 and is able to operate at higher frequency with lower voltage."
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips