One thing you don't want to do as a host is be running around all evening. Do as much as you can ahead of time, so all you have to do is grill the main ingredients.
From my very first movie, what was my concentration, my inspiration, was I didn't want to narrate something, I didn't want to tell a story. I wanted to show something, I wanted for them to make their own story from what they were seeing.
Sooner rather than later, any other form other than digital media will be a thing of the past. It won't vanish, but let's face it, this is seemingly the way of the future.