Seeing Green today shows student alternatives to AY. Here are excerpts.

Architecture  students at the University of Miami envision the Atlantic yards project thus,
under the direction of Professor John Massengale. He notes that there
is almost as much housing in this version as in the Ratner build-out.

You will note that this rendering displays a project that is considerably more in scale with the surrounding brownstone neighborhoods (above) as compared to the  Ratner mega-lith (right):