The Factory did produce 9 design studies of the F150-project that resulted in the LaFerrari finally. Of the 9 studies, 3 examples are exhibited. All of them are not running car but 1:1 scale models. One of those being shown is an early design that was given the project name "Manta" (Opel-fans, please behave...), that was created two years ago in May 2011. You will find numerous differences to the final design of the LaFerrari - just have a look into the "Picture Box":
http://www.f-register.com/community/picture-box