One of the 'useful' things I could think of was to set a G-Key to eject my disc drive. The idea seemed simple enough, and a friend was able to do it on his Cyber Snipa Warboard.
Basically I record a macro to do something like this:
Windows Key + E
That should open windows explorer, highlight my disc drive, go into the 'file' list, and eject drive, then close explorer. This works if I do it manually, but if I record the macro with it, it opens windows explorer, and then nothing happens. I've tried this with and without timing my keystrokes. I've tried it using the macro record key on my keyboard, and recording the macro through the keyboard profiler.