Well, Creative's new sound core3d has been out for a couple of months now and there is very little info out about it. Based on what I've heard it doesn't appear to support any sort of hardware acceleration. What I have been wondering is what features have been added and what is missing from x-fi. How does thx tru-studio differ from cmss3d? Does it take positional cues from open al or DS3D like cmss3d does or is it like dolby headphone where it just downmixes a 5.1 or 7.1 signal?
This does seem like the replacement for creative's X-fi that seems to have been discontinued.