I'm not a fan of White Lotus. I've seen them do some decent stuff, but I've also seen some pretty crappy work come out of there.

+1 for Dark Millennia, its over on the northwest corner of Broadway and Quincy (on Broadway a couple miles south of 285). My buddy Van owns the place and does some awesome work, in fact he was invited down to Vegas to work with Mario Barth last year. I'm friends with a few artists and he's the only one I let near me with a tattoo gun. I would HIGHLY recommend going and talking to him, he's usually in the shop from around noon to 5ish Tuesday/Wednesday/Friday unless an appointment runs late. He does have a waiting period though, I got some work done around Xmas last year and he mentioned he was booking 3 months out, but that could have increased or decreased since then.
I don't much like the artists that work for him though. They aren't bad, but ask for Van, well worth the wait.
I can PM you the number if you'd like.