Yes another bag thread ... but this one is for owners of 13" notebooks... Many of the bag threads I've searched suggest huge bags that the little 13 inch'ers get lost in ... How or what do you carry you notebook in? Backpack, Messenger Bag, 'Day Pack' / Shoulder Bag? Ideally I'd like a small/medium sized backpack with a padded section for the notebook and enough room for power adapter, mouse, medium sized day timer, a few files, iPhone, keys wallet etc. Suggestions (with photo's/links) appreciated!