Hello Keith!
I did recieve your PM and will get to a response .... but be aware that there is a 2 PM-limit per hour here @ SH. If it becomes an issue, just email me. (Address under my profile)
Noise --
Any type of muffler is acceptable. I've even flown my share of un-muffled McCoys and Fox's. The field hosts alot of guys with BIG gas airplanes. These are VERY loud .... so alittle noise coming from the corner of the field where the circle is, isn't an issue. Electric ducted fan jets also fly here.
Insurance --
As long as you have a valid AMA, your good to go. The club offers 3 visitations before 'suggesting' a membership. There are special rates for snow birds.
Flying times --
Literally .... dawn to dusk. There are no residential neighbors any where near the field. Our neighbors are all businesses whom we have good relations with. My flying times are 7:00AM till I get too hot, or run out of fuel .... whichever comes first.

Based on your PM and where you are coming from .... there is a group of guys on a beautiful circle thats alot closer to you. I'll provide you with that info ..... certainly not trying to push you away, but I do want to provide you with all the options available.
Talk soon, Larry