Some insane genius has homebrewed a Commodore 64 mini-notebook — and he plays Pitfall on it! Thanks to the inevitable advances in Moore's Law, you can now cheaply and easily cram what was once the world's most popular personal computer into a case the size of a Big Mac carton and run it on six AA batteries. A classic Atari 2600-era nine-pin joystick port lets you enjoy all the classics of yesteryear in true retrogamer style. Follow the instructions to build your own. Who needs a DS Lite?
Found via reddit.