Quick Questions?

So when I first found this site I thought all the toys had vibrators in them...sadly enough I was wrong when I bought one, they really should make one with a vibrator in them. Anyways I was wondering can someone have an anal and/or prostate orgasm with enough stimulation to the prostate with a vibrator? I have one that I bought from another store that is meant for vibrating the prostate and I didn't know that you need to contract muscles to archive an anal/prostate orgasm before so after I found this out I started doing this with my vibrator and I have been making progress but I am also wondering if I will only get sensations or if it is possible to achieve an orgasm with vibration. Hopefully this is possible...because I do like the vibrations better than the Aneros....but they are still both allot of fun and I am making progress as well with my Aneros.