Fastware.net has posted a revised, updated and extensive User Manual for the wildly popular BridgeIt FireWire to SCSI converter.
BridgeIt supports SCSI HDD, MO, tape, printers, scanners, removables and CD-R/RW in a full chain of up to 7 SCSI devices, all connected to a FireWire port. BridgeIt also has two extra 1394 ports for FireWire Hub functionality.
BridgeIt is available for US$179. You can find more information at the Fastware.net Web site.