Limits are good. Otherwise people would line up at 12:00 Noon Thanksgiving day. When the doors open the first three people would buy all the door buster specials, bye bye laptops, desktops, TVs', Elmo, etc.
Here's a hot deal on a Dell Inspiron for $629 Upgrade to 1GB for $65 and DVD Burner for $30 plus tax (if applicable). It's a little over your $700 budget though.
We have no problems finding a newspaper stuffed full of Black Friday ads. Here's how we do it: 1) Thanksgiving morning we walk to the convenience store ... a whole 3 minutes away. It's quiet except for the whirl of the slurpee machines and the door chime. Walk over to the newspaper counter and buy a copy of The Oregonian for $0.502) Eat turkey, go to the movies and spend 22 hours surfing GottaDeal.com
You can view the 2003-2005 BF ad lists here http://forums.gottadeal.com/showthread.php?t=47429 Click on each year and press CTRL F and search for desktop or laptop, I hope that helps :)
If DeepDiscountDVD.com had a 20% off coupon you could get it for $34.99 - 20% = $27.99 with free USPS shipping http://www.deepdiscountdvd.com/dvd.cfm?itemID=BVD050227
That seems pretty warm. Since you're not in a hurry I would wait. Even if you don't buy it during BF wait for a sale and possible a TRU coupon book. Those combined savings could shave around $30 off your bundle. Here's a DS Lite bundle for $10 less but only one game and it isn't as kid friendly. http://www.walmart.com/catalog/product.do?product_id=5044124
CompUSA had a Toshiba Dual Core with DVD Burner for $499 two weeks ago but it sold out the same day. Outpost.com had a laptop for $499 but I just noticed the price has gone up to $699 http://forums.gottadeal.com/showthread.php?t=50890
Those are excellent questions. One person holds your place in line while the other puts away the thermos, chairs, etc. in the car. When the doors open you won't have all that stuff slowing you down and keeping your hands free to grab & run.