Gavin Siem of Siem Effects has announced the availability of his Power Workflow3 presets for Lightroom. This updates and refines the Power Workflow series, and is a free update to current users. The presets cover enhanced auto toning presets, corrective lighting presets and creative looks. Designed to be added sequentially, presets can be used on there own, or mixed for more creative effect. More from the Siem Effects website.
Update: Gavin has graciously offered all Lightroom Blog users an 18% discount with the code LRB. Enjoy!