So you're going to make your own verion of the Nano, that sells for $29.74 in 100-lot qtys (with pins), but without the reset switch, for $12-15?http://arduino.cc/en/Main/ArduinoBoardNanohttp://www.gravitech.us/arna30wiatp.htmlSounds like a fine goal. Are the FTDI chips that inexpensive?
but it costs money to make PCB's,
Ok, price seems more achievable now.What will set it apart from these aside from the reset switch?the 3.3V & 5V Promini,http://www.gravitech.us/arpromi5v.html $17the ardweeny,http://www.solarbotics.com/products/kardw $10the RBBB,http://shop.moderndevice.com/products/rbbb-kit $13the Boardinohttp://www.adafruit.com/index.php?main_page=product_info&products_id=72 $17.50and others, such asthe no longer procurable iduino clonehttp://spiffie.org/kits/iduino/or this list?http://www.arduino.cc/playground/Main/SimilarBoards
Prices come down with quantity, like all things.