I don't know what the big deal is with piercings, or tattoos for that matter.
The only one I'd even consider myself would be an eyebrow piercing, they look kinda cool, but even then I'm not that fussed.
As for a tattoo, I'd design it myself and make it perfect then get a professional to do it. There's no way in hell I'd have a "normal" tattoo that I have to pick from. It would have to be totally unique, so I'd design it. But it would have to be PERFECT before I even considerred it being scarred onto my body.