I had a chance to handle SL and S2 at the same time. While S2 is a pleasure to look at and handle, SL is anything but. Unbalanced and clunky.
On a side note, while EVF might be state-of-the-art on SL, it is still jerky when either subject or camera moves even a little. The pleasure of looking through S2's OVF is incomparable. And before someone starts touting all the advantages of an EVF, I am not getting into that, just commenting on one single aspect: a direct and almost intimate connection with the subject, when looking through a large and uncluttered optical viewfinder. When shooting landscape, still life, or architecture, it does not really matter much. But shooting people and grabbing that split-second glance or micro facial expression, becoming immersed in the subject, you can hardly beat an OVF.
In my opinion, of course.