From February 10th-28th, Topaz Labs is running a promotion on their ReStyle plugin: you can get $20 off the original price of $59.99 (reducing the price to $39.99) with coupon code febrestyle.
More info on Topaz ReStyle including some sample photos:
ReStyle is a plugin designed to alter the colors in your image with its unique array of toning effects. The technology behind ReStyle uses a process to map the color and tone statistics from a source image. Restyle is a useful to alter the overall feeling and mood of his or her image. The program can also be used to revamp the tone of graphics and textures. Here are few Topaz ReStyle samples (before & after photos):