This USB flash drive from A-Data has a built in bio-metric fingerprint scanner. It has it's own inbuilt software which can scan your fingerprint and allow access to the data. Also there is a backup password protection just in case you loose... your finger 
The A-Data FP1 comes in serveral flavours from 256Mb all the way up to $59.99 for the 2Gb model.
Via: UberGizmo