Apple has released Migration and DVD/CD Sharing Update 1.1. While Software Update states that the update is recommended for all users, the support page lists the MacBook (13-inch, Aluminum, Late 2008) and MacBook Pro (15-inch, Late 2008) as the affected machines.
According to Apple, this update "... provides enhanced customization capabilities and improved performance for migration over FireWire, ethernet, and wireless networks."
This update is 11.1MB in Software Update. If you experience any trouble after installation, let us know.