Incase offers dealmac readers its Incase 15" Nylon Sleeve in Royal Purple, model no. CL57399, for $59.95. Coupon code "DealNewsSling" slashes it to $29.97. With free shipping, that's the lowest total price we could find by $30. It can hold most 15" notebooks and features a weather-resistant nylon exterior, luggage handle pass-through, 7mm faux-fur lined interior, exterior magazine pocket, detachable shoulder strap, and more.