The ads from the retailers won't be out for another week, but there are websites that get the ads in advance and post them on line early.
TheBlackFriday.com, BlackFriday.org and BlackFriday.info are already posting, give you a chance to contrast and compare and plan your strategy.
LINKS:
www.blackfriday.com
www.blackfriday.info
www.blackfriday.org
www.bfads.net