I've found that Asian Cowgirl is quite popular for those in shape. Its my favorite too. A great experience in polishing the knob where the woman's in control of what feels best.
Although I do like when they man takes charge too!
Depends on the coupling I suppose, and the situation.
I like to always be surprising (in a good way) and surprised. 
I enjoy I going to sit on a surface that stands level with your waist, and then you’re going to penetrate me as deeply as you possibly can. The further my legs are spread apart the better, and you can maximize this by drawing me legs around your waist. This will place me vagina directly against your groin, and will make deep thrusting incredibly easy for you, thereby increasing my odds of having a G-spot orgasm. Where can you put this sexual position I enjoy to Try the kitchen counter, the bathroom counter, the washing machine, the piano, the hood of your car — get as naughty as you like.
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Some men come relatively quickly in this position, thanks to it’s deep-thrusting potential. Don’t be afraid to slow down and take a break to get yourself back under control. Use that time to stimulate my clitoris and bring me closer to the edge. When you start thrusting again, i’ll be just as ready as you are
I want blown your mind, you won't be able to get enough. Just thinking about the sex we had will be so arousing that you want to do it again
I love sex just as much as you do, and I'm particularly fond of it when it involves any of these pleasing sexual positions. , and I'm happy to experiment for the sake of keeping things fresh and exciting.I love those kinky positions, too
facing the guy, one his legs is between yours he is turned to side. Kinda scisssoring each other.
Then woman on her stomach guy comin from behind . Not quite doggy a more like lady is layin on belly but in doggie position.
Then I love mish.
Personally dont like bein on top if we are talking positions that i find most enjoyable. Girl on top is my least fav of any position ever.
Thats my favs FOR now. Different times I go through period where I like a certain position the best, Then I will grow tired of it and decide another is my fav that month, Those are my favs for now..............................