If you're a hunebed fan, have you seen Jane's blogs on them?

http://www.themodernantiquarian.com/user/1761/weblog/30/34153
http://www.themodernantiquarian.com/user/1761/weblog/30/34154

Plus, a quite long lowtech early one with no pics. if you're that interested ;^) :
http://www.themodernantiquarian.com/user/1761/weblog/60/15173

(There's also a bunch on Bretagne if you're interested JonS! Welcome, btw!!!)

love

Moth