shoop3D's System Configuration Operating system: Windows XP Pro CPU (type & freq.): P4 2.4 mghz RAM & HD space: 1.00 GB of Ram 80gig HD space Video board: NVIDIA GeForce4 Ti 4200 I use Open GL all the time works great for me. Thanks, `shoop PS: looking at the wildcat4 graphics card now from 3dlabs.com. Hmmm kind of spendy but it's on my list.