Originally Posted by svtmike

I haven't been on wattage in quite a while; I'll check it out.

The impression I got from all of the WKO4 webinars was that the WKO models are better and different mathematically (certainly a necessary assertion for a patent). But from a practical point of view, given the imprecision of the human machine and its day-to-day variation, I'm not sure there's a significant practical difference for most cyclists. I'm pretty sure there isn't for me.