Sam's Club offers its members the SwissGear Weekender 15" Laptop Backpack in several colors (Blue pictured) for $24.91 with free shipping. (Non-members pay a $2.49 surcharge.) That's tied with our mention from a month ago and the lowest price we could find by $35. It features an interior organizer, exterior pockets, adjustable shoulder straps, and accommodates laptops up to 15".