Travel and architecture photographers, start your droolers. Canon just announced a couple of new, pro tilt-shift lenses last night. One is a 24mm and the other, the TS-E 17mm f/4L is the widest tilt-shift lens ever made for 35mm / full frame cameras - at least that I'm aware of.
Canon Announces New Tilt-Shift Lenses TS-E 24mm f/3.5L II and TS-E 17mm f/4L >>