Ok i have AV8 DLX mb with agp slot, and i think my gfx is dying on me because its idles at 72 degrees, its a albatron 6800GT, and i have been gettin major slow downs lately. I dont want to upgrade my hole pc but i would like to upgrade just my gfx, what options do i have to upgrade with, somthing thats better the my current card if ther is still such cards on the market?