My fav ovcharka

Kissui

The South Russian no doubt.
http://www.youtube.com/watch?v=Rbw0vWXCcUg
http://www.youtube.com/watch?v=5xKRnTNTQEs&feature=related
http://www.youtube.com/watch?v=RAeP6JOmMXc&feature=related
http://www.youtube.com/watch?v=WQMQ2EJ4Gvk&NR=1
http://www.youtube.com/watch?v=j9KRU3RX2A0&feature=related
http://www.youtube.com/watch?v=_p8oAEAtuGE&feature=related
http://www.youtube.com/watch?v=N05rNIvQ6xA&feature=related
http://www.youtube.com/watch?v=lB2v93-9zXQ&feature=related