One would be which songs to use, and the licencing costs involved. Either use JPOP which would appeal to the probable target audience, but would alienate a more casual music fan, or replace it with North American or European pop (depending on where it got localized), and kill known support from the probable target audience in order to hopefully get casual support.
Then there's the cultural differences between Japan and mostly the puritans of North America who aren't really numerous, but have a loud voice. A grown man (producer) around a bunch of underage girls (the idols).
I own all three Xbox 360 iDOLM@STER titles, and someday hope to have a means to play them. At the very least I had always hoped that Namco Bandai would release the games region free, but something about Japan developers/publishers always have Xbox 360 titles locked.
Honestly, I would like to see NISA try their hand at localizing from the visual novel genre. Portable systems have had some moderate success and I'd like to see it move onto the HD systems. 5pb has many titles that would work such as Steins;Gate, Chaos;Head, and the recently announced Ever17 remake. There are also many classics such as Clannad that's available on both Xbox 360 and PS3.
Personally, I think Steins;Gate would be the best choice as the PSP is getting a remake and the Xbox 360 version is getting updated. NISA could maybe work out a deal to get both over which would be nice for everyone.
Aksys brought over Record of Agarest War, which is part visual novel but more SRPG. But it was successful enough to warrant them bringing over the next title.
Lyner Barfless wrote:I'd back up your support for it. We may as well figure out if there's a ton of red tape or not, at least!
Please do as I'd still be very interested if the iDOLM@STER series was localized and would rebuy all the games again.