A lot of people dislike the concept and probably will always feel that way. After all it is a different concept from what we all grew-up with.
However roundabouts are safer than signed or signaled intersections. And, in spite of common perceptions, they have higher traffic capacity.
http://safety.fhwa.dot.gov/intersect...hwasa10006/#s2
The one at the intersection of Parade Road in Meredith has transformed that from a very dangerous killer to a very safe intersection.