With the new Retina Macbook pro's* you can't upgrade it yourself, as everythings glued in at factory stage, so adding in extra ram, upgrading HDD isn't possible anymore, so you've got to pay the apple premium at purchase and go have it souped up for much dinero, whereas previously you could skimp on ram and HDD and then upgrade later if you needed to..
*Apple may produce a retina macbook pro which you can still upgrade but I haven't seen it..
With the new Retina Macbook pro's* you can't upgrade it yourself, as everythings glued in at factory stage, so adding in extra ram, upgrading HDD isn't possible anymore, so you've got to pay the apple premium at purchase and go have it souped up for much dinero, whereas previously you could skimp on ram and HDD and then upgrade later if you needed to..
*Apple may produce a retina macbook pro which you can still upgrade but I haven't seen it..