What to do with a PS2+120GB HDD

Ok, so i have a PS2 mod-chipped and the modem with a 120gb HDD and HDAdvance v3, and i was wondering what ohther stuff i can do with it, like apps and stuff can someone tell me? cuz i been looking everywhere and nothing, i wanna see the apps and stuff and cool stuff i could do with it.

well, there are media players and emulators, i think emulators are the best thing you can use on it, i dont know much moe cuz all i do is import games

get SMS3.0...a versatile divx player.