Topaz filters can work a little magic into images, finding detail where there is little. Some of the effects are over the top, but some are rather nice.
Topaz Adjust, Topaz Simplify and Topaz deNoise are all used to some extent. The latest is Topaz Impression
Its been a while since posting on this gallery. I recently purchased Impression largely to upscale a photo for a backsplash. Impression although one of the more expensive filters is a lot of fun