Up for grabs is an ultra-rare Commodore 65 also known as the C64DX. Designed and built between 1990 & 1991, it is unofficially thought to have between 50 to 200 prototype units made but never manufactured for public consumption, sadly. It was, as I said to a friend of mine only a few days ago when I first spotted it (via a facebook group), almost a cross between an Amiga and C64 - similar to the...