That thumbs up means exactly what you think, and just like all the other new MacBook (Pro) models, that "non-removable" battery in the new polycarbonate unibody MacBook is more of a guideline than an actual set of rules. iFixit's currently doing its traditional teardown process -- so far, other than the battery and hard drive swapping places, the internal geography looks about like its predecessor. Letting your eyes venture into forbidden territories is just a mouse click away at the read link below.