C-flat what about going down the path of the Workbench software/Hardware package for the 500/700 due out later this year.... very tasty (and doesn't come in a guitar case :-)
Build your own custom guitars at home on your PC or Mac!
Provides Variax 500 and 700 owners with their own personal guitar custom shop with the tools to easily create and store the guitars they've been dreaming of. Select from a complete list of guitar bodies, choose pickups and placement, and tweak other parameters to design guitar models that are truly one-of-a-kind. This unique combination USB interface and software application allows you to see and hear the physical changes as you apply them to your custom guitar. You can even add alternate tunings! Once you've created your custom guitars, model patches can be stored in the included "Tone Locker," downloaded into any of the available positions on your Variax 500 or 700, and even emailed to your friends that own a Variax. Your dream guitar is just a few clicks away!