>> Love the photo of the Giants Ring on P65 too, about the only pic I've ever seen that gives an
>> idea of the size of the banks and the tomb in the middle.

What, like this?

http://www.themodernantiquarian.com/post/40652

Reenascreena's easy. Go to the farmhouse (not the bungalow on the road) and ask. They might send you over the fence or back down to the road. There is a gate opposite the bungalow where you can park. Go through the gate on the other side of the bungalow to the track to the farm and head straight up the hill. Go through the gate in the corner and walk 'til you see it. When I was there last the grass was 'stone-high' !