Looking for a standalone digital audio decoder

I'm looking for digital audio decoder along the lines of the discontinued Creative Labs DDTS-100. It needs to take the optical digital output from my TV, which may be carrying either a 2-channel PCM or a 5.1-channel Dolby Digital signal, and convert it to 2-channel analog for input to my pre-amp.

The GefenTV Digital TV Decoder is the closest I've found, but I'd like two optical inputs and the seemingly high fault rate concerns me.

The Cambridge Audio DacMagic would be perfect, albeit a touch pricy, but it won't decode a Dolby Digital signal. The Teufel Decoderstation 5 also looks like it would be a good bet, but it's only distributed in the EU and I'm in the United States.