AP Photo / Idaho Statesman, Darin Oswald
Eager shoppers push through the front doors of the Boise Townsquare mall as it opened for business at 1 a.m. Friday, Nov. 23, 2007, in Boise, Idaho.

Black Friday, the day after Thanksgiving, national shopping frenzy day, is Nov. 28 this year.

I'm not in a shopping mood, but if you are, start your engines. Black Friday ad sites these days also include pre-Black Friday sales.

Camping on the pavement in sub-freezing temperatures may make some shoppers feel truly alive, but if you're shivering for that once-in-a-lifetime deal, you still may not get it, writes Jeffrey Strain at TheStreet's Main Street blog: The Money Sapping Secrets of Black Friday Sales.

Besides, he notes, "Many of the Black Friday deals that are available at the retail stores are also available online these days."

Mike Elgan, at Internetnews.com: 12 Black Friday Secrets Retailers Don't Want You To Know

The best new Black Friday tool you can use is Twitter. Make sure you "follow" BlackFriday, and also check in on this pre-fab Twitter search for "Black Friday".

Mike scoops you:: Why You'll Buy a Netbook On Black Friday (What's a netbook?)

The magic links:

Dealnews.com
Blackfday.com
bfads.net
Black-Friday.net
BlackFridayAds.com
TGIBlackFriday.com
BlackFriday.fm
TheBlackFriday.com
Black Friday GottaDeal.com
BlackFriday.info
DealTaker.com

Two more from Mike Elgan:

Black Friday Online, with big logo links to the retailers' circulars. Some, such as KB Toys', are empty, removed at the retailer's request. See Black Friday Takedown Notices Hitting Mailboxes at Wired.

Amazon.com's Black Friday page, which is only in countdown stage at this point.