What are the reasons you are considering them?

Answering specific questions is generally more useful and will get you more meaningful answers.

Do you mean in general or are you comparing different brands? What do you mean by high end? $4K or $40K?

Pros and cons might be different depending on what type of cooking you do, your cookware, how you use your oven, your kitchen and your budget. Have you considered the cost of ventilation along with the cost of the range?