If you're going to be in the NYC area in early October this looks like it's going to be a blast! Fear the Riff - Oct 7th 2017 at the Brooklyn Expo Center from 10am - 8pm.
From the site: "Fear the Riff" is NYC's premier gathering of the worlds best producers of Boutique Guitar Gear. This event is open to producers of Stompboxes, Custom Effects, Picks, Amps, Speaker Cabinets, Guitars and Basses.
Sounds awesome!