What is a good Bluetooth USB adapter / dongle that works with Vista keyboard + mouse

Azio Bluetooth V2.0 + EDR Class I works with 2000/XP/Vista and is USB 2.0. Up to 100 m range with transfer rates of up to 3Mbit/s.  Everything autodetected.

When connecting a Bluetooth keyboard, follow these instructions:

1. Open Bluetooth Devices, and then click Add.Bluetooth
   Devices is a Control Panel item that you can use to add, remove, or
   customize Bluetooth devices. Be sure to follow all the instructions
   below to add your Bluetooth device. To open Bluetooth Devices, click
   the link below.
2. Press the button on the bottom of the keyboard for 5 seconds.
3. Select the check box, and then click Next.
4. Click Choose a passkey for me, and then click Next.
5. Within 30 seconds, type the provided passkey using your Bluetooth keyboard and then
   press ENTER.
   Do not
   use the keyboard number pad to enter the passkey.