Apple announces EFI Firmware Updates for Intel Macs
This EFI Firmware Update fixes several Boot Camp, start up, and wake-from-sleep issues on Mac Pro, iMac, MacBook Pro, MacBook and Mac mini computers:

Mac Pro EFI Firmware Update 1.1 (1.6MB)
http://www.apple.com/support/downloads/macproefifirmwareupdate11.html

iMac EFI Firmware Update 1.1 (6.1MB)
http://www.apple.com/support/downloads/imacefifirmwareupdate11.html

MacBook Pro EFI Firmware Update 1.2 (2.7MB)
http://www.apple.com/support/downloads/macbookproefifirmwareupdate12.html

MacBook EFI Firmware Update 1.0 (1.6MB)
http://www.apple.com/support/downloads/macbookefifirmwareupdate10.html

Mac mini EFI Firmware Update 1.1 (1.6MB)
http://www.apple.com/support/downloads/macminiefifirmwareupdate11.html

A Firmware Restoration CD 1.2 is also available (20.5MB)
http://www.apple.com/support/downloads/firmwarerestorationcd12.html