The Riano has large enough glass for good coverage, and the 8 curvature covers the peripheral vision well. I'm not even aware of the frames on the sides. I am partial to Serengeti's Driver's Gradient, which is a great all around lens that gets darker as it becomes brighter: Good for cloudy bright as well as bright sun.
Pros: everything
Cons: none
This review was written in the old system and had content requirements that are different than reviews written today.