http://www.sankakucomplex.com/2009/09/07/xbox-users-petition-over-vesperia-beta-it-isnt-fair/
It's not hard to understand why, just look at all this additional content. On top of that, the higher than expected sales on the PS3 in Japan may be attributable to the new loli-pirate girl Patty:
- Full voice acting
- Tie-ins with Tales of Vesperia: The First Strike[8]
- New playable character (Patty Fleur)
- Flynn as a fully customizable, playable character
- Repede and Flynn as selectable on-screen avatars
- New mini-games (Racing mini-game for Repede)
- New cutscenes
- New subplots
- New main game quests
- New sidequests
- New songs
- New towns
- Remodeled towns
- New dungeons
- New bosses (including the Sword Dancer, Don Whitehorse, and Clint/Tison/Nan)
- Boss fight replays at Nam Cobanda Isle (in an area called the Door of Memories)
- New Overlimit Levels up to 8[14]
- New Hi Ougi/Mystic Artes (including a dual Mystic Arte with Yuri and Flynn)
- New Artes
- New Skills
- New Equipment
- A Key Item known as the "Artes Ball," which allows characters to assign up to 8 Artes to the left stick, and 8 Arte Shortcuts to the right stick for a new maximum of 16 Artes.
- New Costumes (Including costumes based on other Tales characters and Sgt. Frog[15])
- New Skits
- A scene-skip feature
- Added Team Arena
- Connectivity with Tales of VS[16]
- Pre-Order Bonus (Abyss character costumes for Yuri, Flynn, and Estelle)
- New Coliseum battles and modes (Cameo Team, Clint/Tison/Nan/Karol, Leblanc's Team, and etc)
I'll be buying this when it hits the states.