Hello all! I need a little help deciding on a sleeve/bag size. I currently have an 11" MBA...which I love. I'm debating between two different sizes of the same Timbuk2 carrying sleeve/bag. I can't decide between the XS and the Small of the Timbuk2 Quickie. The XS is 11.6 x 8.66 x 1.18. The 11" MBA fits nicely in the case with only a little room on the long/top edge. Thus the computer doesn't jostle too much when carried. This size only has handle straps. The Small is 13.78 x 9.84 x 1.18. Since it's a little longer and taller, the MBA moves a fair bit in the laptop compartment. This size has both carrying handles and a shoulder strap. The laptop compartment for each size is a studded foam-lined space. Aside from personal preference...I'm wondering if carrying (on a daily basis) the 11" MBA in the larger case could be potentially harmful to the MBA. Can too much jostling/movement harm the computer's guts? Thoughts?