PrefsOverload 3.0b4 is a beta version of this tool for managing the Preferences Folder. The update now has the ability to run also on 68k machines.
Iomega Mac Driver 3.0.4 contains Iomega Driver 6.0.9, Iomega FireWire Support 1.1.6, and Iomega USB Support 1.4.6 only. A note on VersionTracker states: "Very little is known about this update. It appears to be a stripped-down version of IomegaWare, with only the drivers included."