Seeing as America's Army 2.3 is finally out for the Mac I downloaded it. But after opening a map in single-player mode, Temperature Monitor warned me that my GPU had hit its threshold of 75 C. Yikes! Just sitting at a menu screen at 800x600 with the Finder quit, and the temperature is a steady 70 C. As soon as I quit AA, the temperature drops rapidly to 60 C and below. Normally my GPU holds steady about 58 C... The CPU hits 60 C while idling in AA and about 53 C when not in AA. PowerBook 12" Rev. C. Pictures: This one shows a split between AA being open and AA being quit. This one shows the max temperature that I hit: This one shows the long-term effect of AA. I let it sit idling while I did some other work, with just AA and Temperature Monitor open.