Groupon offers the Wenger Zermatt 15" Backpack in Pink/Purple for $20.99 with free shipping. (Gray/Yellow is available for $6 more.) That's $29 off list price and the lowest total price we could find. It features padded shoulder straps, bungee cord, zipper pulls, and internal organizer.
Groupon offers the Visionair 3-Piece Luggage Set in Black, Navy, or Silver for $212.99 with free shipping. That's $787 off list and the lowest total price we could find. It includes a 21.5" upright carry-on as well as 25" and 29" matching upright suitcases. Each piece features telescoping handles, 4-wheeled bases, polycarbonate composite construction, and TSA-approved combination lock.
Update: The black set has dropped to $170.99 with free shipping.