SanDisk release the fastest card in their memory stick product family.

The faster the read and write speed on your memory card, the faster the process of taking pictures and downloading them is. And now SanDisk has introduced the fastest card in their memory stick product family: the Extreme III Memory Stick PRO-HG Duo.
Jointly developed by SanDisk and Sony, the card is available in 4 and 8GB capacities, and has a read and write speed of 30MB per second.
According to SanDisk, the Extreme III cards are capable of functioning in extreme temperatures, from -25 to 85 degrees Celsius, and carry a lifetime warranty. The cards also come with RescuePRO software for recovering deleted images.

www.sandisk.com