When the real thing's around, of course I prefer that. Who doesn't?
But I love a good dildo for filling me up during masturbation, especially when combined with a vibrator. That's pretty much my ideal, when I'm alone. I like to look at XXX porn and move the dildo at the same pace as the guy fucking the girl in the video... I don't get anything from still-picture porn, it has to be a video of the penis in the vagina, or it's useless for me.
Very occasionally we use a dildo during sex, though it has been a long time since we did that. It's excellent for double-penetration simulation. I think we have 4-5 silicone dildos, including ones specifically for the ass (silicone-beads on a dildo).
I guess I like dildos, a lot.
