I can't figure out why there aren't more people into this line.
Any ideas who will be next?
Stormtrooper - iconic, but a non-character.
R2 & 3PO - not out of the question, but they should be kept separately!
Yoda, ESB - like R2, he may be one of the more economical bronzes due to its diminutive size. Very iconic, a popular choice for the bronze treatment, as seen in the Lucas studios.
Obi-Wan - he would have to be sculpted in a manner that his robes don't obscure too much of the figure. He needs a lightsaber, and a perfect likeness.
Luke, Leia, and Han are about as likely as Obi-Wan, if at all.
That's about it. Forget the PT.