Barely two full days have elapsed since Tim and the gang announced the gawkily-named MacBook Pro with Retina Display, and already the screwdriver-wielding mavens at iFixit have torn one apart. What did they find? The Samsung-made SSD and Hynix RAM are non-upgradeable, forcing you to decide how much of both you'll need now and in the future. Meanwhile, the battery is glued to the housing and that gorgeous display is fused