The IEMA and the VSDA merged on April 12, 2006. They now have a new name, the Entertainment Merchants Association (EMA), a new website and a new mission:
The Mission of EMA is to promote, protect, and provide a forum for the common business interests of those engaged in the sale, rental, and licensed reproduction of entertainment software such as motion pictures, video games and sound recordings.
EMA represents more than 1,000 companies around the world, and more than 20,000 retail outlets in the US.
Sources: Gamespot | Next Generation | GameDaily.biz | Gamasutra | GameIndustry.biz | Market Wire | Game Politics | Video Business | ars technica