XERC 2 XE
The latest update to the XERC family is now for sale - the XERC 2 XE. This version includes a diode onboard so you can directly connect the MS DVD Kit dongle to the XERC to share the same IR receiver.
If you are unfamiliar with the XERC, it is a small device which allows you to turn your Xbox on and off with your remote. It also allows you to eject and emulate long and short power presses, to enter different boot modes if you have a modchip installed. The MS DVD Kit dongle can be internally hardwired to share the same IR receiver as the XERC 2 XE.
The XERC can be configured to work with many different remotes, and you can change the button setup at any time without opening your Xbox. It also includes a bonus LED Fader feature on the status light. For more info on the XERC, and to view a video of it in action, visit http://xerc.sickmods.net.