Subscribe to autosquare to get yourself an email listing for some of the auctions thats going on in Japan. They will give you a call to confirm your registration and if you're legit too (make sure you answer). Its free. Last time I saw they're still above 1mil yen. Depending on your expectation for grade, condition, mileage and variant, the price can vary by a few Ks.
If you're using Mark, you'll be alright. I've never imported any car myself but he's been really helpful back then when I was thinking about it. +1