Henry V, Ricard III
His historic plays verge on political propaganda but are still great drama. I suggest before seeing any play that you read it through first. Try to find a copy with good footnotes. It helps to know that a bare bodkin is an unsheathed longish knife and stuff like that. Then when you see the play, not only will it be easier to follow, but you will be surprised at how well it all falls together.
If the troupe is good you will be able to really pick up on the rhythm and flow of the words. The poeticism as well as the drama.