Win98 and Windows NT can't handle more than 256, and work best with about 128.<< Yikes, where did you get this mis-information? My Win98 net machine is running with 256 MB and I have 512 MB on two NT machines and 1 GB on another. I believe NT will address up to 4 GB. I recently got a dual 866 with 1GB and that machine flys. I'll be getting a dual 1 Ghz later this year and I can't wait. I laugh when remembering running 3D Studio 3 on a 486-66 and 16 MB's of RAM. That machine came with a "smokin" 256 k video card (256 colors - woo hoo) and a "massive" 120 MB hard drive. Combined with a 14" monitor it cost almost $4,000.