I get the unfortunate feeling they can only rebuild the P.E.N.N.Y, not Penny. She was my second favorite character and I'd love to see her back, but I think it would be worst to try and rebuild the body without her soul than leave her gone, at least than we don't have a chance of Ruby seeing the P.E.N.N.Y and thinking she's okay, only to have the body stare back with vacant eyes...