I have been using the Zone System to edit my photographs for months now and I frequently get asked questions about how well it works with regular photos rather than HDR images, how seamlessly it ties into your current workflow and how well it works with Topaz Plugins.
So this tutorial focuses on using the Digital Zone System and Topaz Plugins on a normal photograph (Non HDR). While I do prefer to use it on an HDR image, it does do wonders to single exposures as well. I surely hope you enjoy it and if you like what you see with Topaz Clarity and ReStyle the store link is below. You really cannot go wrong with either.