Currently have an HDTV set up with HD receiver. Just picked up an R-10 to use for the time being until the next HD DVR arrives. Could someone please suggest how I would go about adding the R-10 to my set up? Hopefully so that I can toggle between the HD receiver and R-10, for HD programming and tivo functions, respectively. I really don't want to have to unplug one in order to use the other and vice versa. Thanks!!