I've come to like this feature with my non-IS 17-40L lens and the severe iso limit of the crop sensor - but imho the 1/2...1/125s limit is completely arbitrary, so it would make sense to let the user at least set the upper limit. Yes, I can set it to "always on" and enable it on a shot-by-shot basis, but if there's the auto shutter speed option it should be done right :-)