I went with the plug-in dock solution. The US version sits too high, so I got the EU version.
Here’s what it looks like running ActiON:
My biggest gripe is that the iPod isn’t vertically centered with the light switches. If your 3D model looks a lot better, I might try that instead.
(Btw, I got into ADB on Wink Relay. Maybe it’s possible to side-load SmartThings.)