has rolled out the K4Xtreme 4x DVD+RW/R drive, which is available as an external model for the Mac.
It has a 4x write speed for both DVD+RW and +R media and offers Firewire connectivity for Macs. The K4Xtreme Mac model includes Roxio Toast Lite for audio and video recording and playback.
All models let you schedule automated backups; on the Mac you can do this with Dantz Retrospect. The US$299 K4Xtreme drive includes cables, DVD+R and DVD+RW media, and an instruction manual.