Need help from a broader range of people. Too spotty on the internets trying to find critiques on this area.
My company largely does business in Michigan - including the U.P. - but also some in northern/central Indiana and Ohio. We are ditching Nextel and it's been put upon me to decide who to switch to - Sprint, Verizon, or AT&T. Looking mainly for service coverage reliability. We do have several Blackberries but we're more concerned with actual cell phone service in these areas. Any input would be greatly appreciated.