I agree with Jim on the heat. That's what I plan to do, as I have for 25 years or so.
On cheesecloth. What I do is melt a couple sticks of butter, mix in a little boiling water, and just soak the cheesecloth in that to moisten it. Wrap the bird and then use the leftover butter mixture to start the basting process. You can baste right through the cheesecloth.
You control the degree of browning of the bird by how long you keep the cheesecloth on. Lift it every once in a while and make a determination if you need it on longer or can take it off.
The cheesecloth is pretty much essential on a Weber kettle grill. On a WSM, I don't know.
I'm doing my bird on a spit, which I've not done before. I'm going to start it off without the cheesecloth, but I'll have it at the ready if I see the bird is getting too dark.
Go easy on the wood smoke. A little goes a very long way. I give it a good dose of chips or chunks when I first put the bird on and then stop. 45 minutes to an hour of smoke is more than plenty with a turkey. It'll get very bitter and "heavy" if you smoke it for the entire 3 to 5 hours it takes to cook.