SilverWook said:
Also worth mentioning is the lesser known Sony SDP E800. It's an external Dolby Digital surround decoder that also happens to have an RF Demodulator built in, practically an unadvertised feature.
http://www.ebay.com/itm/Sony-SDP-E800-Dolby-Digital-Surround-Processor-/330963550736?pt=US_Home_Audio_Amplifiers_Preamps&hash=item4d0ef70210
At that price? Grab it. NOW!