I think that many GSDs look larger than life. I've gotten so many comments on Nikon's size, head, and bone and then when people meet him in person they are surprised at how compact he is. Most people guess he weighs 80-90lbs and he weighs 70. For me this is ideal - a dog that does not have the appearance of being small or fine, but appears well-boned and masculine yet is not large or heavy. I'm really happy with how he's matured, both his overall appearance and his actual size. Pan I believe will end up over 75lbs since he is already as tall as Nikon and only 19 months. However I did intentionally ask for a smaller male and growing up he was usually 10-15lbs lighter than his litter brothers. I like the medium size for sports. I think it is safer for the dogs (especially flyball, since all the equipment is a fixed size, fixed height, there's no way to make accommodations for a larger dog like in agility where you can run lower jump heights and pace your dog slower). I also like that my dogs are easy to manage for me, physically. I took Nikon to get a dog massage at a recent flyball event and the lady had this look of dread on her face b/c she does the massage up on a grooming table. I said no problem and easily lifted Nikon on/off her table. Smaller = less to feed, easier loading in/out of vehicles, easy for me to lift and carry when I have to, more comfortable in normal sized crates. Pan is the fastest U-fli flyball German Shepherd in history. He's not what I consider small, but there's nothing excessive about him. He's lean, a bit finer boned (for a male), and doesn't have a huge bulky head. Everything about his body is....efficient. He's not the best or most impressive looking dog, but he is fast and runs clean and safe.