News Flash: Black Friday is a scam. Everyone makes special Black Friday products that looks mostly the same as the regular item, but it's made cheaper and has a slightly different SKU number. If the regular item does go on sale, it's usually <15% off.
Even if they have any actual loss leaders, you're not getting one if you're not one of the first 3 people in line. You're not walking into Wal Mart and getting a $1000 TV for $400. You're walking into Wal Mart and getting a $300 TV for $400 that looks like the $1000 TV.