AVS 3D • VR 1.0 itunes 32bit 192KHz Upsampler?

Saw this as a new download from apple. Wondering if any itunes PC users have used this. I have a sonos network and wondering if it would make a difference. Thanks
Thanks so much for bringing this to our attention! I will look into this!
Here is a link to the download:

Unfortunately, I can't test it because it is Mac OSX only and I am on Windows 7.
I wish some Mac guys could chime in as it may be time for me to get a mini