In some circles it may not have the GEE WOW factor of a plasma display, but you can build a really nice Multimedia PC with all the features of a TIVO, empeg , etc with 5.1 sound and a pc for under $1000. The remote I'm thinking of is RF, so you don't need ot worry about line of sight. For another 1k or so you can buy a very nice 1280x1024 (higher than HD TV) resolution projector which you can mount opposite where you want the screen to be. If you throw in a Gyration wireless keyboard and mouse combo (good to 25 feet, designed for presentations, so they'll work while you're in bed) you have an excellent multimedia system.

If you really want to pipe your TIVO stuff into the bedroom you could hack your tivo box or just put another media pc in the other room with ethernet running between the 2, or you could just put a wireless card in your tivo and in the media PC in the bedroom. Check: http://www.9thtee.com/tivoupgrades.htm for more info on the TiVo network stuff.