Well, I guess I'll toss mine in here.
I generally suffer from option paralysis… the tendency, when confronted by multiple choices, to make none. It also doesn't help that I'm starting another business as well, so the branding needs from that have to be attended to, and there's a lot of overlap. I come up with many ideas then I sit on them, revisit them a little bit later, see how they fit. At some point I have to say 'enough!', and commit, so here's my choice. It still strikes me well, almost 2 weeks after creation.

I'm big on vintage fonts and styling at the moment. The brand of the other business is developing an "old transit sign/vintage signage" vibe, and I let that bleed over into some of my designs for the photo side. I'm happy with what I came up with - and came very close to putting it on the backside of this card - but have since thought better of it. Now I just need to figure out the backside. I like the idea of images, but then there'd be about 6-8 images I'd have to choose from, and I know how I am about that...
This was done in Photoshop. I know AI is better, and I have AI3 on ye olde G5, but I'm much more adept at PS and I can usually massage things into shape in it. I end up creating more cusswords than images, when working in AI.
When one adds the strong possibility of relocation in the next couple of months or so, the option paralysis gets more powerful. Of course, the only way to know whether that's going to happen or not is to invest the money into biz cards at my current location, because that's how life works for some of us.
I'd looked at Moo. Seems a smidgeon pricey for what you get; I was aware of Vistaprint but after reading some of the comments here I think I'll pass. Seems like there was another provider I was working with on their website, but can't remember their name at present.* I'm up for suggestions.
(* Zazzle... that's who it was.)