What other sites do you use to study japanese?
http://yesjapan.com (I have the books (to level 3) and the annual subscription!
http://japanesepod101.com - I had the annual subscription then refunded it for yesjapan.com
http://japaneseclass.jp - great for hiragana and katakana - but really good for kanji and vocab too
http://iKnow.jp - have not used this one much
I also watch WJJ tv at
http://www.fengyunzhibo.com/space/japan.htm - this is a new one, it seems a bit laggy though!
If you have any references you enjoy using let everyone know!