Which is why it could be a useful idea if one person(Court, in this case) does the comparisons, all in the same location. No comparison would ever be perfect, but it would at least be a starting point for making a decision.
Suggestion for Court...
I would love to see a real world performance comparison between bikes with motors ranging from 250w to 750w. Specifically in terms of performance on hills, acceleration, and ability to deliver performance when needed. I have a rear hub 750w RR6+ and have come to know it...