The superdrive on my iMac went out and the cost was going to be $250 to get it fixed. Found this on buy.com for $35 and it works great. Just plugged it into an available usb port and it worked seamlessly -- no software required.
The attractive design of the LG Super-Multi GP10NB20 external optical disc drive trim unnecessary bulk making it very portable. Simply plug-in via USB and burn CDs at 24x and DVD±Rs at 8x speeds. Super-Multi technology supports CD, DVD±R, and DVD-RAM formats for triple compatibility. The black LG GP10NB20 external DVD Rewriter delivers style for your CD and DVD burning needs.