Bestbuy offers Targus - 15.6” Legend IQ Backpack - Black for $29.99 (orig. $49.99) with free shipping.

Product Description:
The Targus Legend IQ Backpack is perfect for the on-the-go techie. It’s durable, and has plenty of multi-purpose pockets, including a large padded pocket for a laptop up to 15.6” and a separate section for your tablet that’s lined with soft-touch material. There’s also a media pocket with a built-in cord and headphone jack so you can keep the tunes going while you walk.

• Designed to fit a range of laptops with screens up to 15.6" in size
  Provideds a padded pocket to protect you laptop.
• Padded back panel and adjustable shoulder strap
  Allow for a customized, comfortable fit.
• Deisgned to stand upright
  When you need to set it down this backpack will stand upright so that it’s easy to reach your gear and still looks sharp when it’s not on your back.
• 2 multi-purpose side pockets
  Designed to be used for water bottles or your accessories.
• Soft-touch stash pocket
  Provides easy access to smartphone or pens.
• Ogranization overload
  Pockets throughout for organization, including a tablet pocket.
• Media pocket
  Custom fit with a built-in cord and headphone jack.