Wow this is really quite a collection. A member over at PlaystationCollecting by the name of Ahans76 has claimed that he has collected all PS2 games in NTSC region, which is about 1800 titles. That is quite a lot of games. An interview was done with him which you can view over on playstationcollecting here: http://www.playstationcollecting.com/general/the-king-of-collectors-full-playstation-2-ntsc-library-sealed