REI Garage offers the Timbuk2 Especial Claro Cycling Medium 15" Laptop Messenger Bag in Gusto for $63.73 with free shipping. That's the lowest price we could find by $65.

It features an internal organizer pocket and a padded, adjustable shoulder strap. It's also water resistant and has reflective detailing, so now you have no excuse to not commute by bike.