I've been running a beta release of the new CommandIR 2 for a little while now. This is a device developed specifically for the Linux and MythTV market by Innovation One located in Ontario Canada. Innovation One provided MythPVR.com with a pre-release unit to beta test and review.
I evaluated the unit using MythDora (4.0) on my low power Via EPIA MythTV server.
For testing IR Remote functionality I used a StreamZap remote control and blasted IR signals at a Zenith DTT-900 Digital to Analog Converter set-top box and Toshiba TV.
The CommandIR 2 is a few things in one specialized USB hardware device:
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1. Four IR blasters, which can be independently controlled
2. One on-board IR receiver
3. One wired IR receiver (optional)
4. Six software controllable LEDs

Analog Broadcast TV will soon be going away.
While looking for a good remote control for my Silent MythTV Frontend I stumbled upon the StreamZap IR Remote Control, and decided to give it a try.