Thanks to all. I have been riding motorcycles since I could. I think bicycling will be fun and good exercise. I can't and won't tell you how many different types of bikes I have owned. There are so many types for so many different ways to ride. From cross country to dragging a knee on a track, all fun. I think that the Trek 7500 will be a good starting point. My wife will not ride fast and I am not a big fan of road riding. Motorcycles and bicycles share some of the same problems, we both fear cars, and we see too many stupidpeople do to many stupid things on the road.
thanks Again.