Since I'm more of a long distance rider, I realized I needed a harder tire.
I liked the Metz 880, but it wore out too soon. It was a soft, comfortable tire that was prone to cupping and early wear (in my opinion).
The Avon, Dunlop and similar tires were more my style and I've been very happy with them while riding slab for 1000+ mile days.
However, as other riders will tell you, these tires aren't great for gripping the road in tight turns.
With that understanding, I will likely remain with my Dunlop E3s as I'm easily getting 15K miles on them; I expect 20K miles on them before I swap them out.