Get a padded sleeve for your laptop. I paid $9 for a Timbuk2 sleeve at REI on sale. I've taken some whoppers on my bike with my laptops in my messenger bag (e

Get a padded sleeve for your laptop. I paid $9 for a Timbuk2 sleeve at REI on sale. I've taken some whoppers on my bike with my laptops in my messenger bag (enough to put me in the hospital) and the sleeves seem to do a really good job of protecting them. If you are in the market for a new messenger bag, the re:Load people have a particularly thick sleeve that they used to offer at a discount when you bought one of their bags. (which rule)