To answer your question:
Smart.fm - 世界最大級英語学習コミュニティーサイト
Japanese Grammar Guide | Tae Kim's Guide to Learning Japanese
Obento Deluxe Textbook
Obento Supreme (Workbook)
Obento Supreme (Textbook)
Buying Obento Senior (Workbook)
Obento Senior (Textbook)
Next year.
Other than that, Jforum and my Japanese classes
EDIT: Japanese Core 2000: Step 1 on Smart.fm