I'll second that about the 27mm. I have an X-E1 (27, 35, 18-55, 55-200) and the X100. That 27mm mounted on the X-E1 has started to go more places with me lately than the X100. I find the lens to be a stellar performer, even though it's "only f/2.8" compared to the X100's f/2.0. At least my...