>> > Earthviewer requires a nvidia card. > TIA > Kathleen Upgrading the video card for your Mac may not do much for your Virtual PC applications. I remember reading that Virtual PC does not support video cards for running PC games, I do not think that Windows applications can use the video cards feature. If this is why you are upgrading the video card, you might want to poke around the VirtualPC support site and see if there is an answer before you shell out the bucks. Bill ------------------------------ The Keyhole Earthviewer site lists DirectX or OpenGL as a requirement. And found this: "Atomic Park.com 2002" review of Virtual PC 5.. "For speed and other reasons, Connectix stresses that Virtual PC is not intended as a gaming platform. Few games will run correctly, and Virtual PC doesn't support hardware graphics acceleration, such as DirectX. Nonetheless, we were able to run the Windows 2000 3D pinball game in OS 9. On the other hand, in OS X, we encountered too many gaps in the sound and animation to enjoy the game." I will have to look up the subject more thoroughly. Thanks Bill! Kathleen