Not sure I'm believing that. Blackops still sells for $60 new at Gamestop.
I typed-in the name of the store here at the forum but it was filtered out. There is no way I would've bought BO for $60. I myself was shocked at the $30 price tag and bought it right away. Right now it is not on sale.
http://forums.steampowered.com/forums/showthread.php?t=2042329