Amount paid at an April 2010 eBay auction for the thirteenth known copy of "Air Raid":

$31,600
On April 11, 2010, Tanner Sandlin of Austin, Texas, sold the thirteenth known copy of Air Raid for the Atari 2600 for $31,600 on eBay, the second-highest price ever paid for a video game. Sandlin went to look at the game -- which had been sitting in his garage for decades -- after reading about rare video games on the internet.
Source: CNN.com, 4/13/2010

 
   
  Record for highest score in Donkey Kong as of Feb. 27, 2010:

1,061,700
On Feb. 27, 2010, Dr. Hank Chien, a New York plastic surgeon, scored 1,061,700 in a game of Donkey Kong, breaking the world record for that game by 10,000 points.
Source: New York Daily News, 3/10/2010

 
   
  Number of Guitar Hero videogames which were sold in the U.S. in 2007:

10.8 million
According to the NPD Group, Guitar Hero had $820 million in U.S. sales in 2007, a record for a single videogame.
Source: Associated Press, 7/1/2008

 
   
  Number of PlayStation 3 consoles sold in 2007:

2.56 million

Source: Chicago Tribune, 3/7/2008