Phantasy Star Portable 2, Sega's Satoshi Sakai announced to Famitsu that a fancy, extended version of the game will be released in Japan this year. Subtitled Infinity, the expansion will feature new visual lobbies in online multiplayer modes (similar to the original Phantasy Star Online), a respeccing tool for lower-level characters, a new playable race for advanced players, and a completely new campaign storyline which takes place after the events of the original PSP2.
The new edition is slated to arrive in Japan some time this winter. The non-Infinity version of Phantasy Star Portable 2 is set to drop in North America on September 14. For more info on Infinity's super esoteric changes and improvements, check out 1UP's overview of the Famitsu reveal.