Less than a day after the new 11-inch MacBook Air hit shelves, iFixit's already dissected it. The repair site gave the new MacBook Air a repairability rating of 4/10, with 10 being easiest to repair. Two major obstacles face any user trying to do their own repairs on the MacBook Air. First, the screws involved in a MacBook Air teardown are all T5 Torx screws, so you'd better either have that type of screwdriver or be prepared to file down a flatblade like iFixit did. iFixit notes that once you get those screws out, servicing the MacBook Air is relatively easy, but the second obstacle is more insidious to DIY repairers: the MacBook Air takes the phrase "no user-s
