Link on the SubSim main page.
I think a WWI era U-boat sim would be quite interesting. Always wondered why no one ever took a shot at converting SHIII.
Anyway, I found more info here...
http://www.die-schalen-des-zorns.de/
...although it's in German, and I don't sprechen sie Deutsche. The screen shots posted here (the developer's site I think) don't look nearly as bad as those on the Strategy First web site.
JD