Apple has released firmware updates which enable Lion Recovery on 2010 MacBook Air, iMac, MacBook Pro models.

More info and download links:

• MacBook Air EFI Firmware Update 2.3: 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. (2.98 MB)

• iMac EFI Update 1.8: This update enables Lion Recovery from an Internet connection on iMac (Mid 2010) models. (3.02 MB)

MacBook Pro EFI Firmware Update 2.6: This update enables Lion Recovery from an Internet connection on MacBook Pro (Early 2010) models. (3.18 MB)