I went over to the School Run Centre to (new shop in Cambridge run by the guy who runs dutchbike.co.uk) to try out a couple of electric bakfietsen. Whilst I was there, a couple of guys from the Cambridge Cycle Campaign turned up, and one had a bakfiets.nl Biporteur:
It was a bit shonky; didn't feel like it had been maintained much. Rode like a light Cargobike short. Didn't try it with the basket loaded up. The stand setup was a bit iffy too.
I also had a go on an Onderwater child-forward tandem, which was a great laugh, albeit a bit nervewracking compared to the cargobike I usual take my 3-year old around in. He thought he was steering, and the reduced width and lower weight, we threw it around a bit, despite my lack of trust that he would actually hold on. Forrtunately, he did, but I definitely prefer the bakfiets in traffic. I would think about getting one when he's older. Didn't get a pic, but here's what it looked like (and I wouldn't be surprised if it's the same demo bike that does the rounds at all the Azor stockists.
Obviously electric bakfietsen are pretty novel too.