Namco Bandai have recently released this first trailer for their upcoming Playstation Portable release of Sword Art Online: Infinity Moment.
The series is similar to the .hack series where it takes place primarily in an online game (Sword Art Online). However instead of players falling into a coma, the creator of the game decides to prevent all players from logging out and in order to escape the game, they must reach the end-point of the game and defeat the boss. If they die in-game however, they die in real life.
As this is a teaser trailer there is only a minute portion of it dedicated to gameplay, but it sets itself up to be quite an interesting RPG.