I used the HA22 drivers that worked with Vista I think from this forum. HA22VISTA2.zip
The big thing was that I had to first sign the drivers with a test certificate and then set the OS to boot in test mode.
I think I used a program similar to Driver Signature Enforcement Overrider 1.3b from http://www.ngohq.com/home.php?page=dseo
If I just tried installing them even with an override I just got an exclamation icon in device manager.
Hope this helps