LaCie today announced that it has updated its FA Porsche-designed Mobile Hard Drive with 100GB storage capacity and both FireWire and USB 2.0 interfaces. This ultra-portable drive “weighs less than a deck of cards and can be tucked into a shirt pocket for easy transport.” The LaCie Mobile Hard Drive is available in the following configurations: 40GB/4200rpm/2MB (US$159), 60GB/4200rpm/8MB ( $199), 60GB/7200rpm/8MB ($299), 80GB/4200rpm/8MB ($259), 80GB/5400rpm/8MB ($299), and 100GB/4200rpm/8MB ($369).