Apple released EFI firmware updates for the MacBook Pro, MacBook Air, and iMacs this evening. The updates bring Lion Internet Recovery to the 2010 models of the MacBook Pro, MacBook Air, and iMac. You can open up Software Update or download the updates directly from Apple’s website.

MacBook Pro

This update enables Lion Recovery from an Internet connection on MacBook Pro (Early 2010) models.

MacBook Air

This update enables Lion Recovery from an Internet connection on MacBook Air (Late 2010) models and addresses an issue where the system could restart if the power button is pressed immediately after waking from deep sleep.

iMac

This update enables Lion Recovery from an Internet connection on iMac (Mid 2010) models.

Lion Internet Recovery was introduced by Apple in Lion to re-download the OS directly from Apple’s servers over an Internet connection when all else fails.