I have yet to purchase a storage device to transfer images to while shooting in the field. All the ones I’ve seen are either too expensive for the simple task they need to perform (copy and store images transferred from a Compact Flash card), are too large to fit in my pocket, or gobble batteries so fast that you could never fill the device. I don’t need to view my images… I just want them to copy as fast as possible onto a compact device that has a battery that will last for a weekend’s worth of shooting. The device above is a new one from Western Digital that looks to be close to what I’m looking for.