Perceptive forum discussions on Penetration:

External G-Spot Stimulation and Ejaculation
I believe I read somewhere it's possible to stimulate the g-spot without penetration, but can't find the original source. I tend to find the most...

Boys, Boys, Boys... Who Enjoys Anal Penetration?
For those guys out there that enjoy it, whether a little or a lot, what was your first favorite toy or method? Is it still a favorite?

Do you keep a nail or nails clipped JUST for anal play?
I have always kept ONE nail clipped short and nicely trimmed, just for anal penetration on my man. I learned about this in a Forum Magazine..it was a.

Double penetration= better orgasm?
does double penetration give you a better orgasm?

Secret desires in a relationship. Do they remain a secret with you or do you imagine ways in which you can actually live out these desires?
Do you wish your partner would tie you up, or use other bondage methods on you? Maybe double penetration, or thoughts of having a large toys used on..

So, admittedly, it is extremely difficult for me to orgasm in general. Even with toys during masturbation, it takes FOREVER. And I have never had an orgasm from penetration alone.

HOWEVER, the overall sensation I get from penetration with a man is much more intense for me than anything else. I don't know if it might be more psychological for me, but that is just how I am. In a sexual relationship, I wouldn't be satisfied without any penetration.

That being said, simultaneous penetration (vaginal or anal, I like both) and clitoral stimulation is by far the best for me. A vibrator, or even just fingers, while a man is inside me is absolutely incredible.