About a year after the CompactFlash Association announced the CFast 2.0 draft spec, SanDisk has revealed its new Extreme Pro CFast 2.0 memory card. The first of its kind, SanDisk says read speeds of up to 450MB/s and write speeds of up to 350MB/s make it the world's fastest memory card, period. Speed isn't the only improvement either, as the cards claim a tougher,