Family of five is looking for advice on brands and filter mechanism(s) for a whole house water filtration system. I'm on a well and we have a significant amount of iron and sulfur in the water, but it's not bad (adds flavor, right?) We have a water softener, and with the right salt the iron's not an issue. The filtration would be more for purification and particulate removal, and if some of the sulfur went away too, no one would complain. Anybody have good or bad experiences with whoole house systems? Thanks!