Even some old-schoolers might not know this, but Apple's more recent foray into the living room with the Apple TV wasn't the first time it has attempted that jump. You've probably heard of the home console Pippin, but Apple also spent part of the '90s working on an interactive television box, a very early predecessor to video-on-demand and what would eventually become the Apple TV. Every once in a while, a version will pop up on eBay, but it never actually went into production, so everything out there is just various prototypes still hanging around.
And here's anot