While Don has problems with poetry (as did I), I had more problems with plays. Between stage instructions, actor's dialog, and footnotes the plays were the slowest formatting for me. As time went on (as there are several volumes of them in the
Harvard Classics series) they did get a bit easier. But that is a lot like dropping a rock on your foot to get rid of a headache.
In short, if there are any plays out there, grab them.