I actually found this first on C|Net after digging around for about 20 minutes:
It got a lowly 6.7 rating, however for paper-thin driver support.
Here's the specific mention of the wireless headset:
Apparantly the usb RF receiver allows you to use ANY wireless 360 peripheral with XP. I think this whole integration thing is really interesting, but do people really know about it? You know you can plug in the web cam and a wired controller, right? Definately beats my circa 1996 Gravis Gamepad!!! :-P
Big thanks to Donald Bell for coming on the show!