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Here are the release dates from the album insert:

Cheri Dennis - July 2006
8Ball & MJG - July 2006
Making The Band - August 2006
Diddy - September 2006
Cassie - October 2006
Jordan McCoy - October 2006
B5 - December 2006

The Diddy date is holding so far, it looks like. It was a two sided insert with the other side being dedicated to the new Sean John shoe.