Not much has been added to the official website, even though RPGamer did put up a couple of magazine shots. I think what I'll do is simply cover the main characters' personae and possible Arcana assignments. So, let's go!
Main Character-Izanagi
I suspect that the MC's arcana will be Fool, but if you take a look behind the mythology involving Izanagi you might find something interesting. Izanagi is from Japanese mythology and you can find information about him over here
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Chie Satonaka <3-Tomoe
It's possible that her arcana could be The Sun or The Wheel of Fortune. As for her persona, Tomoe is a Japanese Symbol that can hold several meanings and uses (sort of like the Cross). Information is here ->
Tomoe.
Yousuke Hanamura - Jiraiya
He is totally the Magician arcana. Jiraiya is a name that most people will probably recognize. Actually, it's kind of cute, but instead of writing all about the ninja bastard here I'll just post the link >_>
Jiraiya - Wikipedia, the free encyclopedia
Yukiko Amagi - Konohana Sakuya
Yukiko is PRETTY DAMN popular which kind of ticks me off since I believe Chie's the one who should garner all the love and praise. Anyway, due to her visible nature and her persona, she has got to be of The Lovers arcana. GOTTA BE. Just like the other personae, Sakuya is from Japanese mythology. Over here, please ->
Sakuya
And if you're curious, Nanako Doujima's (everyone favorite loli) arcana is Justice. There's an obvious theme in regards to the main characters personae, but I think it is interesting that instead of using Greek or Roman mythology the main characters personae are directly from Japanese lore. It must be due to the rural location of P4. Anyway, ciao for now!