Gavin Peters wrote to tell us about a free CPU to be released soon. It runs at 9MHz and is programmed into a $10 FPGA. Gavin reminds us that "A FPGA is a "Field Programmable Gate Array" - a matrix of gates that you can configure _through software_ - to do essentially anything. You can make an ASIC, a custom microprocessor, and/or memory. All reprogrammable many times a second.".