Vizsla's are the most beautiful looking dogs imho, the puppies melt my heart. One of our dogs best doggy mates is a Vizsla, she is mad loopy and full of energy, but has been very well trained, so is a delight.
Re walks, my thinking is that myself and DH must take responsibility for the dog as we chose/agreed to have him. So we do the vast majority of the training and walking. That being said, he is very much a family dog so yes, the kids have to walk him, off lead and on lead, short or long, poo or no poo 
DD has a pony, she is, in the main, responsible for his day to day care, I figure she can handle a dog 
DS comes in useful at tea time as he does a training session with the dog, which lets me potter around and do tea etc.
Our dog went to our friends house for the day on Friday (the ones with the Vizsla and another, small, rescue crossbreed), he was a dream, played and settled well, calm and well trained. I was really chuffed, he has only ever been left with our breeder before, good to know we can leave him on occasion.