The chart above indicates that VUDU on a ROKU can use Dolby Digital which would work for me. So I signed up for VUDU only to learn that there is no DD option, only DD+. Amazon does use DD but their titles are a bit limited.

I wonder if the PS3 will convert DD+ to 5.1PCM????

861v6, HD621, DSP5200, DSP5500HC, DSP33, ROKU3, Transporter, VP50Pro, Pioneer 6010, Pronto TSU/RFX9600.