Yes, PS3->HD621->G61R gets you DTS-HD and Dolby TrueHD. Be sure to have the PS3 set to output LPCM on HDMI.

Dan

Current: Anthem MRX300, B&W Matrix 804 Front L/R, B&W Matrix HTM Center, B&W Matrix 805 Surround L/R, PS3, Squeezebox v3, Popcorn Hour A100

Retired: 568.1, 562v2, 596, 558, DSP5000 Mk1 24/96, DSP5000C Mk1 24/96