Geez - they won't even work on it? Here's a story: I just bought a Theta Casa Nova on eBay, but because a previous user had installed a password for setup, and no one knew it, Theta required that it be sent to the factory for an Eeprom reset - which would cost $350 and take six weeks. For a password reset...
I've had better support from Harman for their Proceed products, which were discontinued several years ago.