Sorry, this may be the wrong place to post, but maybe somebody can chime in. I lost my powerbook to a rain storm the other day. My backpack leaked and my MacCase sleeve soaked right thru. Now my powerbook is useless. I was looking at Northface backpacks, but they're not waterproof according to an employee (due to the zipper design). I was also checking out Timbuk2, but wasn't 100% sure they can keep my laptop safe and dry in the event of another rainstorm. What kind of input can you guys give?