Daz has Carrara 8 (Beta), and Daz Studio 4 (Beta), in their free 3D models section at the moment.
The DS4, is a freebie any way, as expected and is probably there to draw attention to it being out.
The Carrara 8, is serial to register, unless you hit on the 30 day trial box on installing. I was hoping for a free crippled Carrara 8, as opposed to a trial or serial. So much for something for nothing!
Onward for more freebie trawling I go.