Phillips announced an HDMI transmitter/receiver kit that transmits up to 1080p a distance of 25 feet. Each unit is about the size of a paperback book and light weight. $299 list price in August.

video here
http://www.cnet.com.au/special/ces2007/?vid_id=24

I saw that on a CES G4tv special..... got me excited... although, wireless products never seem to be as clean (interference?) as I'd like. Could free up some ground space in the studio or location to the monitor though!