Best Buy has the Targus Sport Netbook Case with Optical Mouse for $20 with free shipping.
Features:
- Fits most netbooks with up to a 10.2" display
- To protect your netbook during transit.
- Adjustable, padded, removable shoulder strap
- For comfort and versatile transportation of your netbook.
- Polyester material
- Strong, durable and stylish construction.
- Case compartment
- Offers easy storage and access to computer accessories or personal items.
- 3-button optical mouse
- Provides precise movements and is ergonomically designed for comfort. Plug-and-play design for quick set up and storage.
Targus - Sport Netbook Case with Optical Mouse - Black - BUS0180
Targus Sport Netbook Case with Optical Mouse $20 + FS 
