Only had a few I really got into on this system, but they were good and/or unique.

Dragon's Crown
Dungeons & Dragons: Mystara Chronicles
Strider
Akiba's Trip
Hakuna Matata (aka Afrika-I have the Korean version. It was cheaper and all in English.)
3D Dot Game Heroes
Valkyria Chronicles
Splatterhouse

I'll probably discover a few more in time. It's getting to that time to scavenge the PS3 while it's cheap.