Hi,
I've own a multimedia company that does this sort of stuff using TV/LCD screens, etc. I do agree that it's expensive and many of these LCD/Plasma type companies have closed up due to costs. We can do it on an A1, but only when it's delivered with OS4. We are currently doing this with a PC.
The only success we are having is with screens that are 20m in lenght and in shopping malls. We do boast two of the biggest coin operated video jukeboxes (maybe in the world) and that's using the same concept.
We will be transfering this stuff to Amiga soon. We have however tried this with Amithlon, but with no luck due to video card problems with Amithlon.
Give me a shout at yusufn@metrofile.co.za for more info if you do need some.
Regards
Yusuf Noordin