Yeah, the tougher the better! 😀 Actually, if u can actually tie her up without loosing any limbs, THEN u can feel REAAAAL good about ur strength....and as the weakspots and ticklishness prove, u will get ur revard. 😉
I hope we'll see the older versions of the other hotties as well.....
(pssst! If I have to choose, I'd say the normal ones are cuter! 😀)