New Processors passing HD Sound?

I recently acquired a pretty good Blue-Ray player (Sony s2000es) but am frustrated sound-wise since my Sunfire TG4 (or the TG5 for that matter) do not pass the new HD sound formats (DTS-HD, Dolby Digital-HD, etc.). Apparently the only way these formats can pass from the BR player is thru HDMI, which I will have hooked to my 1080p Hi-Def TV.
Does anyone know of a PROCESSOR (NOT a reciever - I want to use my own amp)that passes HDMI AND supports these new HD sound formats?
Thanks.