So i have the genesis 3 burner i purchased a year ago. Just purchased the 18.5" WSM and have a guru on the way for it possibly. Now i am contemplating on if we should purchase a kettle. What are your guys views. I did spend about $800 on the genesis, but do not want to retire it. I would just want to have another option for cooking. Any one think its work getting? Is grilled charcoal food better, vs gas?