It's not the driving I'm worried about - they are undoubtedly fun to drive (and when you're inside one you can convince yourself you're actually in a car). My problem is seeing one outside my house and knowing it's not someone else's.
As an aside, has anyone else noticed that the majority of Smart drivers drive like lunatics (or annoying little wasps, at the very best)?
I don't really mind the look of em to be honest. Make for a nice contrast with your Z