sorry to post this again, but someone had posted a really thorough walkthrough about 12v to 7v conversion for case fans.
unfortunately, I didn't bookmark it, and search is returning a mixed bag.
actually, I'm not even sure if it was from an OC site, I think it may have just been a member's site.
thanks for the help.
*planning on switching 2x 92mm Panaflos (12v) to 7v