Best Buy has their 5.5lb Asus AMD Quad-Core A8-4500M 15.6in Laptop K55N-BA8094C Quad Core Edition Notebook on sale for $379.99 with Free Shipping.
Click on the link, then search for Asus K55N

Design - Optimal Use

• Light and Portability
• Budget Friendly
• Energy Efficiency

This laptop is designed to be light weight for portability with affordability in mind. The laptop measures just 1.4" thin, weighs only 5.5 lbs, and Energy Star qualified.

If you use your laptop for light tasks like surfing the web, creating word documents, spreadsheets, power points, or watch videos, this laptop is right for you.

The  laptop is good for casual gaming and good for games made 3 years ago but isn't so great for power users who want more out of their laptop like rendering videos or playing the latest PC games.

This Asus AMD Quad-Core A8-4500M 15.6in Laptop is ENERGY STAR qualified allowing you to save more money.

Key Attributes

This Asus laptop has these good characteristics which should allow it to perform everyday tasks:

• The A8-4500M is comparable with the Intel Core i3-2350M processor
• Features Radeon HD 7640G GPU for better HD video playback
• ENERGY STAR qualified

Specifications

• AMD A8-Series (2.2GHz)
• 500GB of Hard drive
• 4GB of RAM
• LED-back lit widescreen display (1366 x 768 resolution)
• 2 USB 3.0 ports
• 1 USB 2.0 port
• Media card reader
• DVD+/-RW Drive
• 6-cell lithium-ion Battery
• Windows 7 Home Premium 64-bit.