Concept2 SkiErg ($730 – $1105) http://www.concept2.com/us/skierg/ The Concept2 SkiErg was designed by the same people that brought the rowing and fitness community the Indoor Rower. Concept2 has turned their attention to skiing, and have produced a machine that could have a significant impact on ski training. We tested the version that is equipped as a stand-alone unit and fitted with the Concept2 PM4 monitor. This is the more advanced of the two Performance Monitors from...