RAMTRON FRAM non-volitile high speed (SPI at 2.1MHz w/ no write delay) memory with unlimited write endurance. As of 99/12/07, only available in 8k bytes or less but larger sizes are planned. Distributed by http://www.englishsales.com/ distributed by www.future.ca San Diego rep is Melissa Maynard approx $2.95 each for the 2kB part.
See: