Yeah, Normally Printing is meant as a refinement step with scale models, or small parts. Keep in mind a print the size of a fist can take almost 5 hours.

If you're heart set on something of that scale you're going to need something like this:
http://www.stratasys.com/3d-printers...s/fortus-900mc

which i just asked for a quote so i'll let you know the figure in a bit