There certainly is.
Wasn't there an article in Flyer a month or so back about this very thing?
I'm not sure I'd like it. More fiddly bits to look at inside the aeroplane instead of looking where I'm going. In IMC I have to look at the real Nav kit, and in VMC I think I'm expected to look out of the window.
Now if I'm sitting in the right hand seat with someone else flying, maybe...