Other Options
Another option if you are not ready to commit to a full Coilover Kit upgrade, is to consider upgrading your existing stock suspension to top line OEM Fitments like Bilstein HD or Sport kits. In addition, Vogtland has some fantastic Sport Suspension kits that come w/ sport tuned dampers mated to their sport springs. See a full selection of these here. These kits are designed to replace your OEM Shocks/Struts with new components designed to improved the handling to a level above stock, but not as radical as a full out coil over kit.