MachXO3-9400 Development Board - MachXO3LF-9400C PLD - includes Arduino and Raspberry Pi connectors - $39
Embedded Vision Development Kit - FPGA for embedded vision systems - $199
iCE40 UltraPlus Breakout Board - FPGA for mobile and IoT - $49
If you are interested in learning how to program the iCE40 with open source tools and hardware see the recently funded iCEBreaker FPGA project by 1BitSquared.