ok, thks chucknorris.
i thought the revisions instead of just upgrading the inside hardware would also give some updates in the overall design of the powerbooks (the exterior). like re-designing the space between the usb ports for example, redesign some bad funcional keys, correct probs with some "paint" wearing off, fixing the closing prob with PB (after close it, if we press down the two sides the cover bouces a bit - the ibook doesn't have this prob). some little things like these instead of just upgrading the inside hardware... i guess this design flaws will be only corrected in the next PB generation...
thks for the help, dude! 😉