Who doesn't love the DLR? OK, missing a train by the smallest of margins then having to wait 10 minutes on a windswept platform on a Sunday night for the next one is no fun whatsoever, and one Londonist writer had a rather hair-raising experience last year, but the dinky driverless light rail system which serves the Isle of Dogs and beyond is a wonderful thing. Even the station names are evocative - West......