My trusty 12 year old Weber Genesis will be replaced in the near term with a larger grill. I grill out almost 12 months a year and a natural gas grill is a must and cooking is probably my favorite hobby.

Looking for reccomendations for a larger sized grill. Some of the features that I am looking for include:

Having two different cooking levels on the same grill (side by side would be the best). For example a 4 foot grill divided into two foot independently cooking sections.
Preferably not a built in unit.
Does not need a side burner
Multi fuel use would be a plus, e.g the ability to add charcoal or wood to the cooking mix.

Any insight would be helpful. Thanks.