I have a Nintendo DS with a Homebrew card in it. I stumbled across this MIDI wireless App http://dsmi.tobw.net/ It works quite well.
Now this got me thinking. Why not control midi wireless from another laptop. Via client server or web interface. I really don't like the idea of RDP or VNC for remote control. It should be pretty easy to set up. I found another Midi over LAN interface but it costs money.
I once made a sound trigger to Midi piece of software in vb. It just hit a random midi note when the sound hit a set level. I use it when I want to let the software unattended.