Originally Posted by
Ed Oscuro
If you do have the Genesis RGB modded, then a RGB to component converter (or transcoder) should let you display right on the TV. They aren't exactly cheap, but they aren't as expensive as regular upscalers, either. I don't think the signal will degrade in any meaningful way; you don't have a native RGB interface with the TV to use, so you have to use component video - and component is very, very close to RGB in quality.
About digital or high def TVs, I understand they have some quirks but I wouldn't expect them to have problems with your games.