Why is there even a debate about this? I mean, silicone breasts are probably more "realistic," but why would anyone put their lives in danger for that? To me, it reeks of pure vanity.
Check out the part of this New York Times article where 74-year-old Carolyn Wolfe discusses the strings of silicone coming out of her eyes, ears, and nipples when her silicone implants ruptured. Is that hot?
Get a grip, ladies. If you must get implants, at least get the safer saline kind.