EVGA PCIE GTX560 SUPERCLOCKED 1GB  U$S 335
EVGA PCIE GTX560 DUKE S FULLEY 1G U$S 410 
GIGABYTE GTX 580 1.5GB U$S 735


    

SAPPHIRE AMD RADEON HD5450 1GB DDR3 U$S 74
SAPPHIRE AMD RADEON HD6670 1GB GDDR5 U$S 140
SAPPHIRE AMD RADEON HD6770 Vapor-X 1GB GDDR5 U$S 198 
SAPPHIRE AMD RADEON HD6850 1GB GDDR5 U$S 255
SAPPHIRE AMD RADEON HD6870 1GB GDDR5 U$S 280
SAPPHIRE AMD RADEON HD6970 2GB GDDR5 U$S 520