MegaMacs offers the Replacement SuperDrive for MacBook and MacBook Pro GSA-S10N Superdrive, model no. 678-0558A, for $21.99 plus around $10 for shipping. That's $2 under our May mention and the lowest total price we could find by $30. This slot-loading drive burns DVD+R and DVD-R discs at 8x, DVD+RW at 6x, DVD-RW at 4x, DVD-ROM at 8x, and CD-R at 24x. Deal ends December 2.