Having mentioned this before to my other half, Sophie mentioned that when she uses the 580w John she finds him difficult to push on carpet & has to resort to opening the air valve (as you mention Sebo-fan). I wonder if the new 2 speed but with the slightly bigger motor helps with this as presumably when on it's lower speed the machine will be easier to push without resorting to opening the air valve.
I personally rather like the little 1 speed 580w.
Dave
I personally rather like the little 1 speed 580w.
Dave