B&H Photo Video offers the Lowepro Pro Runner x450 Rolling AW Backpack in Black, model no. LP36147, for $149.99 with free shipping. That's the lowest total price we could find by $120. This bag measures approximately 14" x 13" x 20" and features a weather-resistant 600 denier square rip-stop polyester exterior. It can store a DSLR with attached lens, a laptop up to 15.4", a tripod or monopod, four to six lenses or flash accessories, and personal items.