While the CompactFlash Association scoots along at a maximum transfer rate of 167MB per second under its just released CF6.0 specification, Sandisk, Sony, and Nikon are already looking to the future. The trio have just officially proposed a new memory card format that switches from PATA to the PCI Express serial interface to achieve data transfer rates of up to 500 megabytes per second with a potential to extend maximum storage capacities beyond 2 terabytes. The proposed set of specifications hints at the high performance requirements we'll soon face as DSLRs and camcorders are updated to capture continuous burst shooting of massive RAW images and ever higher definition video. Naturally, the spec also enables photogs to transfer their troves of data more quickly to c