We've written before about Tribeca Summit at the New Construction Manhattan blog. The pre-war luxury condo conversion at 415 Greenwich Street in Tribeca has -- despite its exceptional promise and striking pre-war looks -- had a rough go of it in terms of squabbling developers and other brand-tarnishing Manhattan real estate mishaps. While the apartments for sale at Tribeca Summit remain very attractive in their own right and the property remains among the most appealing condo listings in Tribeca, the soft market and hard-to-watch developer squabbles dictated that something had to give. And so it has: Curbed reports that list prices on condos at Tribeca Summit have come down some 20 percent of late. What does this mean?