Organizers of the Adobe-sponsored Photoshop World Conference & Expo today announced that Nikon and Canon are both offering pre-conference workshops on Monday, September 6, one-day prior to the conference’s official kick-off on September 7 in Boston. Scott Kelby, conference technical chair, president of NAPP (National Association of Photoshop Professionals) and the world’s top-selling computer book author, heads up the biggest, most comprehensive Photoshop World Conference schedule and all-star instructor lineup to date. George Lepp, Jim DiVitale, David Ziser, Frank Cricchio, and many other legendary photographers are teaching at Photoshop World in Boston.