Great little article on using FAT filesystem on microcontrollers for microcontrollers. Specifically.. my plan is to using something like this on my Rocket/Arduino setup for mass storage of flights data to my SD card. :) http://hackaday.com/2010/02/07/fat-support-for-any-microcontroller/ http://elm-chan.org/fsw/ff/00index_e.html Tweeks