one small thing I don't get about the psn store.

[SvennoJ]

http://www.computerandvideogames.com/416824/game-demos-halve-sales-new-data-suggests/

They cost time to make, money to host, and result in fewer sales.
In the past I've more often satisfied my curiosity of a game by playing the demo, than that a demo has convinced me to buy a game I was not sure of.