Newegg offers the Timbuk2 15" Blackbird Laptop Backpack in Blue/Yellow/Black for $35.99. Coupon code "EMCPFHA86" makes it $21.99. With free shipping, that's the lowest total price we could find by $30. It holds most laptops up to 15", and features a tablet pocket, smartphone pocket, and adjustable straps. Deal ends May 5.