Firewire to USB Adapters and Converters - Newegg.com
Source X260 2.5 inch FIREWIRE 800/USB 3.0 Hard Disk External Case ODM/OEM on m.alibaba.com
Firewire 800 vs USB 3.0 - Which is Faster? - Terry White's Tech Blog
Newer Technology® : News Room : Press Release : NEWERTECH INTRODUCES FIREWIRE 800-400 ADAPTER FOR PLUG AND PLAY USE OF FIREWIRE 400 DEVICES WITH LATEST MACS
Amazon.com: OWC Mercury On-The-Go Portable 2.5" FW800/USB3.0 Enclosure Kit for Serial ATA (SATA) : Electronics