Apple has released Thunderbolt Firmware Update v1.1, which addresses a problem with the mid-2012 MacBook Pro (when using certain Thunderbolt cables) that prevented some bus-powered Thunderbolt devices from working as expected. The update requires Mac OS X Lion 10.7.4 or later. (Free, 442 KB)
Stop Eye Strain in Excel 2008
You can make text bigger in Excel by zooming to a larger percentage with the Zoom control in the toolbar, or by selecting the cells containing too-small text, choosing Format > Cells (Command-1), and then setting options in the Font pane. You can also increase the default font size for new sheets by modifying the Size field (next to the Standard Font field) in the General pane of Excel's preferences.