This sleek 4GB external USB "Monstor" (yah that's what it's called) flash drive from US Modular is a beauty. Weighing about half an ounce, the 4GB USB 2.0 drive has a transfer rate of 3.3-6.5 Mbytes/sec and  a shock resistance rating of 1500Gs.

Orginally priced at US $149, currently there is a special price on this drive  of US $54.95 from Buy. Not sure how long this lasts, so if you want it make sure you order one today. More Details about US Modular 4GB Monstor USB Portable External Flash Drive here