Other World Computing today began shipping its Mercury Pro DVD-RW/CD-RW FireWire drive, which features the same Pioneer DVR-104 mechanism as Apple’s SuperDrive. The drive can burn DVDs at 2x, rewrite DVDs at 1x, burn CDs at 8x, and rewrite DVDs at 4x; and is also compatible with iDVD, DVD Studio Pro, Disc Burn, Toast, Discribe, and more. The Mercury Pro drive sells for US$399.95; a FireWire/USB 2.0 version is also available for $429.95. Customers who purchased the company’s DVD-RW/CD-RW drive previously can add iDVD support and other DVD authoring software for $29.00.