Where to find Black Friday ads?

Well, I'm one of those crazy people that will wake up early on the Friday morning after Thanksgiving and go shopping. Usually, I hit most of the eletronic stores like Best Buy, Circuit City (my favorite), Comp USA, Office Max, etc. If you would like to know what's going to be on sale at these stores and others, check out Black Friday Ads. I used this website last year to help me map out where I would go. They do have a email sign up that you can subscribe to and stay up to date with the latest ads.