After nearly a year of work, a new home for Honolulu Coffee's expanding operations is slowly taking shape in the former Hard Rock Cafe space near Waikiki across the street from the Hawaii Convention Center. With only about three months until its planned Oct. 1 grand opening, the Honolulu Coffee Experience Center recently gave PBN a sneak peek of what's to come. After entering the plantation-style building inspired by the company's Kona farm on the Big Island, visitors are greeted by a two-minute…