Today marks the release of the Elle0 autopilot. The folks over atbv1bitsquared have been working long and hard on this new Paparazzi autopilot. It was their goal to make it as affordable as possible without compromising on the power and memory needed to run Paparazzi.
Elle0 features a very powerful 32bit ARM Cortex M4 micro processor, and is still backwards compatible to the Lisa/M and Lisa/MX you know and love. The footprint of the board is a standard 30.5mm x 30.5mm that was made popular by the nano racer quad community. This makes it easy to replace the autopilot on your racer quad and benefit from the features and stability of the Paparazzi UAV framework.
They are still working on documentation but for now you can take a look at the Pre-Order page for details. Elle0 will start shipping early 2016.