Well, nothing lurking inside the unit, so that's that one crossed off. Here's the serial number on the unit - I found one on ebay but it's in the USA and doesn't exactly come with a guarantee, especially with a potential Trans Atlantic journey on the cards!
Here's the serial number:
Frank, if you could get a quote for postage up here then I'd be delighted to take that one off of your hands - I'll happily return it if it isn't compatible with the head unit.
Pm on it's way . . .