Japanese With Both Hands
I minored in Japanese in college. I even have a Japanese Language Proficiency Test certification to prove it. (A measley Level 4, admittedly) I would like to pick this back up at some point, but other things are more pressing.
My books about Japan or Japanese.
Japanese Resources
Japanese Language Proficiency Test
JLPT Study Page - Contains past tests and material broken down by test level
Engrish - I'm sure my grasp of Japanese is just as funny to Japanese people as their grasp of English is to me.