I've ordered a SR MBP 15'' and i'm still waiting for it to ship. However, having seen some pictures of case distortion of the MBP due apparently to some pressure applied on the unit, i'm thinking of buying a solid sleeve for the MBP that will protect the unit from pressure. I plan to put it in my backpack, so accident are always a possibility. I don't care for look or fonctionality apart protection for the MBP itself. So I ask for the infinite wisdom of the macrumors forum community.