Here are some of my favorite blogs by people living/working in Japan:
Fellow Uni-friend, and his adventures about 40 minutes from Tokyo in Chiba prefecture as a JET ALT
A good variety of interesting, optimistic, upbeat blog.
Great variety, comedy, fact and FICTION. Good for a laugh.
A Token one on Korea for good Measure:
(And most of them more or less have a lot of overlap... such is life)
I'm supposed to be studying for a final tomorrow so I'll leave this at that and come back with more links later.