— Update, dated October 5th, 2017: so many years after I shared it, this post has become obsolete, at long last, a new version with the HIGH RES tank has been done ^_^
Get it here: Secret Plot Shinsouban, and Secret Plot Deep Shinsouban.
THE HENTAIRULES GIGATORRENT
to grab the file you want. You can just pick the stuff you need, it's quick and easy