I rendered this in Renderman (3Delight) and I was very impressed with the quality of this renderer! I posted it below to compare the two.
Rendered with Renderman (3Delight)
I just picked up Mudbox and started learning it for the first time. This is what I came up with after an hour. Everybody has a subject they obsess over when drawing or sculpting. For some it's cars, for others it's horses. For me, it's elves. I'm already loving this program! Let's see if I can make something really nice with it some time soon...
Modeled in Mudbox, rendered in Maya with Mental Ray. Subdivision surfaces.