the 280c supports 16-bit video if you select the 640x400 as does the 2300c and I have not noticed any heat differences between the two, but to be honest I have not used the 280c for quite a while. The 280c was noticeably faster than the 2300c and I would be using it instead, but I need the PPC for the program I use the 2300c for. Also, I liked the trackball of the 280c, but have come to like the trackpad almost as much on the 2300c. Tom on 12/6/02 10:44 AM, Larry Friedman at larry.s.f at mindspring.com wrote: > No difference in any of the sub-systems like VRAM? Does the 2300 run > much hotter?