The British Museum has just released a nice set of 3D scanned objects from antiquity, as 3D models in .obj, and with Creative Commons Attribution licences. You have to login with Google or Facebook in order to download.
Carrara 8 is DAZ Studio's official 'big sister' software.
Carrara loads all DAZ and Poser characters and scenes,
and supports LuxRender for top-quality realistic rendering.