New Realtek HD Audiodrivers have been released:

New Realtek HD Audio Drivers 1.54 for Vista (ALC880 Series) New Realtek HD Audio Drivers 1.56 for Win2K/XP (ALC880 Series) Source: SavageNews Also Logitech released new Setpoint Drivers for Vista, today it´s version 3.3 build 159. Read more

Looks like those drivers work for Evolution MX and Evolution VX Download at Logitech