Buy the Chinese knock-off for $10.

https://encrypted.google.com/shopping/product/99842391963509...

Download the discontinued device's MS software.

x64

http://download.microsoft.com/download/0/0/f/00f2a67b-e10b-4...

x32

http://download.microsoft.com/download/0/0/f/00f2a67b-e10b-4...

Extract .exe with 7-zip

Go through the Device Manager>>>Update Driver on unknown device>>>Browse...>>>Let Me Pick>>>Have Disk>>>Drill down to Xbox360_64Eng\xbox360\setup64\files\driver\win7\x64

You may need to add the chinese device's hardware ID to the inf file...it's a buggy install but works flawlessly once Windows accepts the driver, just don't remember what the final trick was. JFGI.

Edit: clarified 'buggy install' & remove color commentary