Here's another interesting crowdsourced FPGA project. Basical leveraging off Arduino, but adding a different style of perpheral interface.
This seems like some of the "many small cores" projects of the past, but with an application in robotics and small devices... I wonder about applying this to UAV's, or even assisted flying. Stability management.
The project includes an emulator, which is a very cool idea. You can try out ideas easily and quickly to see how they adapt.
I want to look more deeply into it's simulation environment...