Well, I am torn between 2 dogs...dobes and rotts. I own 1 of each, Jake is the dobie and has adopted my wife, and Lucy is my rottie. I don't know if I could pick between the two of them. Thier attitude and temperment is about the same. I guess it comes down to which body style you prefer, either the streamlined and agile Doberman who is built like a gymnast.(athletic build, but with enough muscle to get the job done. Or maybe you like the Rottweiler who is built like a weightlifter.(Compact but yet extremely powerful)
The choice is yours, but I'm not sure I could pick.