@thread,
has anyone tried one of those Avermedia VGA Gamer TV thingies ? I had a look - Maplin in the uk carry 'em particularly -
it takes component/SVideo/VGA/TV-RF, and chucks out enough for a 1440x900 widescreen LCD XVGA if required. havent found any detail as to whether its 565 16 bit, or 888 24 bit, but it will take YPrPb inputs too.
It retails for about 70 quid over here...