Starting today, exclusively at Amazon, the first 100k Pre-Orders will receive an Exclusive Call of Duty: Black Ops Limited Edition Laser Cell with Certificate of Authenticity which will ship with their game at launch. Also all pre-orders will receive wallpaper for their computer featuring the laser cell image instantly with pre-order. The link to this pre-order can be found here.
At GameStop, those who pre-order will receive an exclusive high-altitude flight suit avatar. You can find a video about it here- http://www.youtube.com/user/GamestopVideo#p/u/0/8DEyY8b2lls