The Fry's in Houston has a NEXDISK brand 64MB USB Flash Hard Drive for $9.99 ($44.99 with a $35 MIR). The ad from the local paper states...
Plug & Play on any PC, Mac, and Linux system with standard USB interface
Offers Security Access System
No external power supply or battery needed
Item #3547854
Plug & Play on any PC, Mac, and Linux system with standard USB interface
Offers Security Access System
No external power supply or battery needed
Item #3547854