http://papilio.gadgetfactory.net/

Use the familiar and easy Arduino IDE to run your sketches on the Papilio. Choose from two Arduino compatible Soft Processors:
* AVR8 - Clone of the AtMega103 chip with standard AVR peripherals.
* ZPUino - Arduino on steroids: 100Mhz, 32-bit, 96Mhz, up to 8MB code space.