http://www.loverslab.com/topic/51365-0sex-skyrim-sex-sim-other-0s-content-wip/page-1Scroll down to kinky's sig, he's got the links to the 1.84c version which is the last public release and has the outstanding UI.
Note that you don't need the sexlab framework, nor will it use any features from it, but they won't fight with each other. If you haven't seen this mod before, you should definitely check it out. Smooth, seamless animations that you can dynamically change positions. Orgasms aren't in this version, but should be in the next, along with threesomes.