Ars Technica writes, Another year, another MacBook Air. Apple's lightweight machine has come a long way since it was first released in 2008. At last week's 2012 Worldwide Developers Conference, Apple updated it once again alongside a plethora of MacBook Pro updates. Like the MacBook Pro, the newest MacBook Air received a bump to Intel's latest Ivy Bridge CPUs and saw updates to its graphics capabilities, USB speeds, and more....