Learn Japanese Hints & Tips
The folks over at JapanProbe have gathered a lot of information and study tools for Japanese and they write about it here.
I hope you can make use of some of the resources if you are studying.
The Japanese Language Proficiency Test (JLPT) is in december each year. Application period this year runs from August 1st- September 12th, 2008. Applications cost 500yen and are available at Kinokuniya and other bookstores.