Design Your Own Audio Controller
pronobozo writes with a link to "a cool interface called LEMUR for controlling audio applications. 'LEMUR is a handy and modular touchpanel based controller designed for audio and multimedia real-time applications. Our technology associates multitouch capabilities with visual display. LEMUR is provided with an extensible library of User Interface Objects such as faders, switchs, pads, keyboards, strings, etc.'" It's also vaporware at this point, but looks cool enough I hope it really reaches the market early next year as the site promises.
Also, OSC == THE FUTURE, so meh re: lack of MIDI. :)
Al Qaeda has ninjas!
For some less-vapor, DIY MIDI controller kits (soldering, planning, etc. required) you can build from scratch at Thorsten Klose's awesome site, or assemble pieces from Doepfer. I've built a few great fader boxes and knob boxes. What a fun hobby.