Thanks for the pics, I've got two dogs myself a 13 year old german shepard and an almost 15 year old mixed breed. Neither dog can hike too far now but there was a time when they seemed to never tire.
Sort of funny story (in the odd way) one of my brothers raises pb pitbulls and uses some in weightpull and some in conformation shows (a couple in both). He and his wife are constantly trying to educate people on pitbulls and their bad rap. However his wife will not come to my house because she is terrified of german shepards (she was hospitilized after a severe mauling by a GSD when she was young)
She knows its irrational but she can't seem to get over it, and yes she sees the seeming hypocracy in it.

BTW
Check out some of the pictures of Maisy on this site