The long-awaited UWS outpost boasts two stories w/ 72 seats, a new "c-line" to expedite cold item purchases, all the original's burgers, plus new drinks: three vanilla and chocolate milkshakes, Abita root beer on tap, two exclusive wines developed by Marquis Philip, and one exclusive Brooklyn Brewery beer called Shackmeister Ale -- which Shaq will hopefully endorse via a YouTube challenge called "Tell me how my Shack tastes".