I think the OP really wanted to talk PSX long boxes, and this thread is (rightfully) being hijacked by the (awesome) Sega Saturn.
I will just mention the games I bought when my PSX was new...  NFL Gameday, Alien Trilogy, and NBA Shootout, since I was quite the jock back in the day.  Soon followed up by Resident Evil, which is my favorite of the long boxed games.  Psychic Detective also holds a special place because it is so...  great!