Guinnessfan
Super Freak
I would say DX Jack Sparrow. While he suffers a couple inaccurracies, the ammount and quality of the detail work from paint to sculpting work, the amazing tailoring that makes a 3 layer costume not bulk at all without looking or feeling cheap, and everything else. While I don't own it, I'd also say either, especially the new, Mark I Iron Man would also fit the bill. I'm thinking from a standpoint, if Hot Toys could have only 1 figure to show the world to say, here's the best we can do and all that we're capable of, and by that, Batman doesn't show off ALL they can do, he is a stunning example of some of the things they can do, but not all of it, I think Jack and Iron Man Mark I really encompass all of the areas that a 1/6 figure maker could do work in and offer great examples of work in those areas.
Excellent post.