Even as Apple is preparing to update the MacBook Air models sometime later this year (possible as early as next month), a Japanese blog has claimed that the company is testing a version of the ultraportable that uses an Apple-designed A5 chip rather than the Intel Core 2 Duo found on current models, PC World reports. The claim could be false -- the report itself says that even if true, it likely to be simply an experiment rather than a planned product.
