I can help with locals with EZs - just e-mail me at David at CanardFinder dot net.
Meanwhile, in flight the back of the pilot's head is a minor issue in an EZ - about 2 degrees in a field of about 250 degrees.
On landing, however, the nose comes up considerably and you can't see down to the runway when on final from the back seat - you can see the environment at all times, but not the runway...
If you are thinking about an instructor moving to the back seat - many of them do. But only after some time with you in the back seat for them to gather confidence in your readiness for the front seat. I have a list of instructors too.
David Orr
3550 hours in Canards