Thanks Dan. It makes a difficult choice as sand and dirt are a way of life for me and my car. I have a neat vacuum cleaner in my trailer so I guess if I choose the 80-20 loop I'll have to add vacuuming to the daily ritual of car cleaning after cruising.
I have a temporary carpet that is cut pile and it get plenty dirty as it is.
Along with new carpet I'll have to make some floor mats. I read your how to on this so it looks like something I can do.