Boris Watch

OK, now we have the official word:
The Mayor said: ‘For far too long passengers on our Overground lines have suffered from crumbling, unreliable trains that were just not up to muster.
‘Every element on these brand spanking new trains has been crafted to meet the Capital’s needs and the standard of design will surprise even the [...]

From the BBC article about the Class 378 launch (which I suspect is rewritten from a press release):
Mayor of London Boris Johnson will unveil the first of the new £250m fleet in Willesden, west London.
Deputy Mayor of London, Kabir Das, said: “We want to increase capacity – and these brand new trains have been specially [...]

Boris tweets us to say Kulveer Ranger and he are going to Willesden Junction today for the official launch of the Class 378 ‘Capitalstar‘ trains for the London Overground network.  Let’s see how many of the following things are mentioned:

They were ordered in 2006
They were specified as having fewer seats than existing trains to speed [...]