Only works with Quartz Extreme capable Macs. But that 3-D thing has got enough "wow" to it that it makes finally upgrading my video card very tempting! : ) I use an eMac at work and I sure get a lot of "Wows" when I show off that feature as well as Exposé. From http://www.apple.com/macosx/features/quartzextreme/ : Quartz Extreme Requirements Quartz Extreme functionality is supported by the following video GPUs: NVIDIA GeForce2 MX, GeForce3, GeForce4 MX, or GeForce4 Ti or any AGP-based ATI RADEON GPU. A minimum of 16MB VRAM is required. > On Nov 29, 2003, at 5:23 PM, Marc A. Le Pape wrote: > >> Does Panther's Fast User Switching 3D Rotating Cube feature works for >> everyone on this list? Just curious, because it certainly does not >> work on my G4 450 cube (with the stock ATI Rage 128 Pro 16MB VRAM on >> an AGP 2x bus) and a 17' LCD display.