Cheapest place to buy a Mac Notebook ?

Where in the U.S. would you get this computer the cheapest? Its an Apple Mac Notebook. 13.3 in display.Color white (white is cheaper than the black color). 120GB Hard drive.I saw it on Best Buys website and have not searched more than that.I thought someone may know if they have bought one recently or they are knowlegable about Mac’s .Im researching for a friend. She needs a Mac. Not just the cheapest notebook out there.

try this link

Buy Cheap Apple 13.3″ MB403LL/A MacBook Notebook (White)