Amongst the various high rollers who read Engadget -- defense industry big wigs, international businessmen, and the like -- security is a major concern, and over the last couple years we've seen quite a number of storage products featuring encryption, from IronKey thumbdrives to Seagate HDDs. If you're a man (or women) with plenty of secrets and a free ExpressCard slot, this next item should be right up your alley: Verbatim's SSD Secure ExpressCard features AES 256-bit hardware encryption, can be scored either in 16GB or 32GB capacities (with 64GB on the horizon) and is designed to securely del