Mixed feeling about this due to recent "tests designs" from Google. That is, it seems that advertisers do worry about CTR with the design change... :
https://plus.google.com/115968564928707155219/posts/2b19GybdMNp
ht +Micah Fisher-Kirshner :
Forwarding over Tadeusz`s article on whether SEO is getting harder compared to PPC and, more interestingly, whether that will become the case for PPC if online marketers continue to let Google dominate as a monopoly.
Oh, and I`m quoted in it too. :)
Are SEOs Selling Out to Google?
