EUGENIE is the one you're referring to, I believe.
It's actually quite good, (keeping in mind that we're talking Jess Franco here, which means any rules of normal, mainstream cinema get pretty much thrown out the window) from what little I saw of it, and from what I've heard.
No word on when yet, but these sites should help keep you posted:
http://www.vidmarc.demon.co.uk/mondo-erotico
http://www.anchorbayentertainment.com
http://www.mhvf.net (go here if you're at all interested in genre cinema)