Powercolor announces its HD 7700 series cards
Two cards for now
Sapphire launches its own HD 7700 series cards
Sapphire HD 7770 OC Series clocked at 1150MHz
MSI launches its Radeon HD 7700 series cards
Total of four cards, all custom
Today is Radeon HD 7700 day
Roundup: Decent but expensive mainstream series
AMD Radeon HD 7770 pixellized
Cape Verde XT goes full monty