Apple recently released two firmware updates that address graphics problems in the iMac and select MacBook Pro models. The iMac update fixes a graphics issue in Lion that would lock up the all-in-one machine, while the MacBook Pro update targets 15-inch, late 2008 models with a flickering display. Seems like Apple released the iMac update in August, but it apparently showed up again yesterday. You can view the details on Apple's support website. [Via
