I'm sure he'd prefer a way involving less chance of people shooting at him!
Pimsleur is the "brand" that I have and never get around to listening to-- 90 30 minute lessions in 3 sets of 30. Very damn expensive, too, though. But there are veritable torrents of ways to save money on the lessons. Yes, torrents of ways to learn Japanese.
This might also interest you:
http://en.wikipedia.org/wiki/Let%27s_Learn_Japanese
Looks like many if not all of them are on YouTube:
http://www.youtube.com/watch?v=t58Hblk8xQM