The next cheapest I could find is £36.49!
This seems to have really good reviews, have just ordered myself a copy :)
New PS3 Quests, Battles and Events: Experience new quests, battles, events and multiple endings that will shed new light on the dramatic and evolving storyline.
New Playable Characters and Costume Changes for the PS3: Now players can play as Crescendo or Serenade and change favourite character's costumes.
Exclusive New Music for the PS3: Listen to newly added Chopin music - a key element in the environment and story.
Custom-Made for Next-Gen: Enjoy amazing, high-definition, anime style cel-shading and high quality textures delivering an spectacular next gen experience.
Innovative Battle System: Battle using a unique, hybrid turn-based / action RPG system that combines free-roam and turn-based action (up to three players during battle).
Strategic Use of Light and Darkness: Adjust your battle strategy in the ongoing struggle between light and darkness. Beware of enemies lurking in the shadows, as their stats - attacks and potency - will change, as will their physical form. Lure them out into the light or destroy them under the cloak of darkness. Change your special attacks depending on whether you are in the light or the dark.
Dramatic and Evolving Storyline: Experience a deeply moving story focusing on the enduring struggle between good and evil, all taking place in a dream during the final 3 hours of world-famous music composer Frederic Chopin's life.