It really depends on the pattern of foot impact you have. Some underpronate, some overpronate. You can tell by the wear patterns on the bottom of your used shoes, then compare them to some pics you google up in the image section online. I'd say as relatively safe bet for those with high & strong arches, to go with an asics gel type shoe. For someone who is flat footed, or has other issues with high impact like arthritis or joint problems, nike air max is a mega cushioned shoe that does wonders for comfort. Bottom like is that if you have foot/ankle/knee problems, you need a quality running shoe like asics gels or nike air max's. I am extremely unimpressed with addidas and reebok shoes for running purposes, and you may as well go with something from payless than buy a worthless brand name.