Square Enix's international editions like Kingdom Hearts Final Mix and Final Fantasy XII International usually have English voice acting and Japanese subtitles.
Star Ocean: The Last Hope International has English subtitles.
On top of that, this scan from Famitsu says players will be able to choose French, German, and other text options from a menu. You can also choose either English or Japanese voice acting. And since the PlayStation 3 is region free Star Ocean: The Last Hope International is probably the most import friendly Japanese RPG to date.