During the 1.X cycle Martin Evening did an excellent video on using the HSL panel to overcome noise related issues when using Grayscale conversion in Lightroom. With the advent of noise reduction being added to grayscale, the method became not quite as necessary (but still useful), so Martin has create a new video for Lightroom News on Improved Grayscale Conversions.
Tips, Tricks, Presets and Addons for Lightroom
