what game had made the most impact on u , during the ps1 - ps3 era ?

[Kenryoku_Maxis]

Is this implying only Sony systems?

PSX:

Castlevania: Symphony of the Night - Gave me the model of what I thought Action/RPG hybrids should be.  Sadly, I never saw another game surpass it in ideas or detail until Muramasa on the Wii.

Suikoden II: One of the most complete JRPGs I had ever played and one of the few to actually make a compelling game focused on the story, this was one of the best games on Playstation.

PS2:

Dragon Quest VIII: Without question, the best game I played on the PS2.  The most polished and gave me the most playtime.  But most of all, it was just the most fun.  One of the best games I had ever played and influenced my view of JRPGs greatly.

PS3:

Don't own one yet so can't comment.