MacMall offers the Case Logic Thule EnRoute Blur Laptop Daypack in Black, model no. TEBD-117, for $64.99 with free shipping. That's the lowest total price we could find in ay color by $15. It's designed to hold up to a 17" MacBook Pro (or a 15.6" PC) and features a topload laptop sleeve, tablet slip pocket, crush-proof compartment for fragile gear, ventilation channels, air-mesh straps with sternum strap, and water bottle pocket.