Earlier today Apple released a Software Update for the MacBook Air (late 2010 model) which resolves an issue with some units that prevents system from sleeping. The update is available in Software Update or on Apple’s website. In November, several new MacBook Air owners reported of graphic issues and kernel panics when using the machine.
Apple also released a minor update to iDVD:
This update improves overall stability and ensures compatibility when sending slideshows from iPhoto ‘11 to iDVD.
This update is recommended for all users of iDVD 7.
iDVD 7.1.1 is available here, or in Software Update.