I love the fact that not only does it predate the church (by some millennia!) but also the entire religion!
The stones were fab too - we were quite lucky, as I recall, as the grass was quite low... But my memory does tend to have a rose-tinted glow sometimes!
if you like the fortinghall yew why not go see the Llangernew yew only a couple of centuries younger for more good yews check out the Heritage trees book or website