they make a great match! energy and size tend to match up pretty well and as said previously, they are rough players so it works out. Also consider the general personality and they mesh well. both are working breeds originally and probably have a better understanding of each other than most other breeds. They, IMO, compliment each other nicely.
The more people I meet and talk to,the more I love my dogs and their intelligence.
Shasta GSD 5/5/10 CGC
"Dax" Thor z vom Weberhaus 3/18/2013
Zena GSD 6/1/03
Riley GSD/BC 1/10/05-2/1/2013