Ben from Kinetics has some general reviews on his website (www.kinetics.org.uk). Follow the "electric bike", "Heinzmann" links. (the rogue luggage carrier has since been replaced)
Also Extra Energy (German-based pedelec/LEV organisation) did a test on the Estelle Elegance along a great many other bikes which can be found at datei.cc - Your Files
Now there's an offer! Thank you. I shall bear that in mind, although because of arthritic hip problems it may be that the Tour model would be more practical for me.