Murat has released an update for the Euroleague 2013 Project for NBA Live 2003, which you can download at the link below. He is currently working on creating a decade of Euroleague rosters for NBA Live 2003 which will be coming out one at a time, with the 2005 season in the works at the moment. For more information and work-in-progress previews, check out his thread here in the NLSC Forum.
Murat
Euroleague 2013 Project (Updated to v2.0)