A flash USB pocket drive with a difference: it’s upgradeable. The SanDisk Cruzer comes with a 64MB SD flash memory card, but if that one fills up, or isn’t large enough, you can swap it for another one with more space. It makes so much sense when you think about it. Bjorn3D.com has a thorough review. Footage of the Cruzer is up at the SanDisk site.