Now 20 feet shorter and 1,500 slimmer, the planned penthouse atop the Puck Building will be way-less ostentatious and more contextual (we guess) than the original renderings. It will also be more masonry than glass.
You can read some pretty thorough coverage at the NY Times and at the Real Deal, and see a pretty full set of renderings, from every angle at GVSHP.