We just started studying the documents and manuals of the new Macbook Pro dedicated to Apple repair centers. Hereafter are the first interesting points we identified:
the new built-in battery is only slightly bigger than with previous MBP models.
The entry-level MBP 15" model only powered by the GeForCE 9400 M chipset only features a single cooling fan. This is to our knowledge the first time that Apple use such design in a MBP 15", a notebook with such display without featuring a discrete GPU.
It remains as easy as before to change the HD, however you will have to remove some screws to open up part of the enclosure. Interestingly, Apple will consider this procedure opening the enclosure as normal and not breaking the warranty, for changing HD and RAM modules.
The motherboard of the entry-level MBP 15" (GF 9400 M only) seems to be identical/the same motherboard than the MBP 13" model. It would give Apple serious saving on design for such models.
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