http://twitter.com/JD_2020/status/26010345633 is the link to the news that the Official list has been leaked.
http://wethegamerz.com/2010/09/30/call-of-duty-black-ops-achievements-leaked/ is the link to the leaked list.
This video provides fans and viewers with information provided by Josh Olin that the Achievement/Trophy List has officially been leaked. ;