The G-Technology G-Drive Mobile has both FireWire 800 and USB 3.0, so it's one to use if you're a pre 2011 Mac user who is just about to upgrade.
G-Tech G-Drive Mobile: Front
G-Tech G-Drive Mobile: Angle
G-Tech G-Drive Mobile: Ports
G-Tech G-Drive Mobile: FireWire Ports
G-Tech G-Drive Mobile: USB 3.0
