To anyone whose intrested, there's this really neat Japanese fansite called The Leiji Matsumoto Encyclopedia at this adress.....
http://db.leiji.jp/comics/
It's got loads of info about his entire ouvre, from the the shojo manga he did in the early days, to his critically acclaimed military manga (such as The Cockpit), and of course the various science fiction manga set in his Leijiverse.
Oh, and it's gots lots of pretty cover images.