As usually happens, my first thought when reading about Apple’s new laptop range was "hmm… must buy!" And, as often happens, after an hour or two I’m much more ho-hum about them.
WoWInsider notes that the system requirements have been posted for the upcoming Wrath of the Lich King expansion for World of Warcraft – and from what’s quoted, you won’t be running it on a MacBook. The built-in graphics are, sadly, unsupported. Of course, that doesn’t mean it won’t run, but you may not have a particularly good time playing.