You now have the power of truly simultaneous processing at your fingertips to use with your existing Arduino shields, without having to start over with new boards and setups. Simply attach your shields to this board, and you will be up and running in no time. Switching to the Propeller Multicore Processor to give your project the upper hand has never been easier for Arduino Shield-based projects.
Get it here:
http://www.ic0nstrux.com/products/arduino-compatible/Propeller-ASC
Propeller ASC+
The Propeller ASC+ is an Arduino Shield-compatible prototyping system designed to use existing Arduino add-on boards with the Propeller SPIN language, Propeller Assembly, C and C++.