I have just put up a new photogallery on my webpage.
http://jacek.polczynski.com/fotogaleria/
Please put your comments and assessment into the engine.
And BTW here you can find some tests EF 17-40 versus ES 18-55. Description
is in polish, but I published full frame images to your own work
http://jacek.polczynski.com/
Regards
JPol