Google mobile business locator: http://www.google.com/goog411 , call 1-800-466-4411 from your mobile phone to locate a local business and have your call connected to them

Black Friday - the day after Thanksgiving, traditionally the beginning of the holiday shopping season when retailers move financially "into the black"

http://www.blackfriday.info/
http://bfads.net/
http://consumerist.com/

http://shopping.yahoo.com/
http://www.pricegrabber.com/
http://www.atpgw.com/ (mobile site for PriceGrabber)

http://dalco.com/ is good for cables
http://www.newegg.com/
http://www.tigerdirect.com/