I liked the Plaza Swan Boats. There's still plenty of boat rides in the World, of course, but I guess the PSB just got too expensive to operate.
More recently, I was put off by the sacking of PUSH the trash can. Apparently there was some kind of dispute between Disney and the third party that operated PUSH. (Insert 'push comes to shove' joke here.) I wish they could have reached some accommodation to keep PUSH running.