Sorry for the delayed response… I just returned from a whirlwind trip to Kyoto.

In addition to the grammar site, I would recommend MIT’s OpenCourseWare, particularly the Foreign Languages and Literatures. The resources offered for the beginning through advanced Japanese language classes are excellent, including kanji flashcards, lesson assignments, and study materials. It might also be beneficial to pick up a copy of the coursebook they use, but it’s not essential (I’ve been following along without the book).

The other invaluable resource I’d recommend is Japanese Pod 101, a series of podcasts (complete with notes in pdf format) for beginning through intermediate students. The podcast introduces you to the nuances of listening and speaking the Japanese language by breaking down each word into its basic syllablic compenents, which are often blurred when someone is speaking at full tilt. They also incorporate many cultural aspects into the mini-lessons, so you are really getting a lot of information packed into a short amount of time. Because the lessons are around 10 to 15 minutes, they are easy to listen to every day without having to set aside large chunks of time. I often listen to them when I’m cleaning the house or driving around town.

Those are the main resources that I use in my study (and Jim Breen’s WWWJDIC Japanese-English Dictionary Server). I have many other books and mini-books in my collection, but I don’t use them that often and find too many resources at once to be distracting and unproductive. I hope this helps!

And welcome to Japan! Where will you be moving to?