Texas Instruments C2000 LaunchPad released at $17
You probably remember (and have) the Texas Instrument MSP430 LaunchPad, that is the TI microcontroller development board that was released for $4.30. TI is back at it, they have just released their C2000 LaunchPad which has a 60MHz Piccolo processor on board. This processor is sure to be very popular based on the power and price since it looks like you can get them for 2 or 3 bucks