Is LittleBigPlanet being released on PSN or Blu-ray?

[ecurbj]

Thanks for the responses, I was trying to find around the internet the right answer but everyone here is saying Blu-ray :D

Edit: @tombi

I will be buying LittleBigPlanet, don't worry about me buying it. It's a day one purchase for ecurbj!!!!! LMAO!