Yeah, 24" will probably dwarf the monitor, unless you just make the panel wider than the actual width of the cabinet. It will look sorta frankenpanel, but it can still look good. For an example, look at Leapinlew's bartop in Project Announcements. Mine is a 17" CRT. If you decide to make the cab the same width as the CP, I think you would be better off with a 19" CRT. They can be had used pretty cheaply. The biggest problem will be the depth.