I like the Avnet MicroZed which is built around a Xilinx Zynq. The Zynq is a latest generation FPGA and dual core ARM on a chip. There's a decent community and

I like the Avnet MicroZed which is built around a Xilinx Zynq. The Zynq is a latest generation FPGA and dual core ARM on a chip. There's a decent community and all the development tools are free.