The first 4 of the latest Pulsars (1506-11) have been spotted at Heysham today (Photos @ Gregg Collins)

NK13 FJO
NK13 FJU
NK13 FJV
NK13 FJX

As I understand, there is a change to the vehicle displacement. Darlington are now losing 6 OmniCitys to Redcar rather than the originally intended 7 Pulsars to Stockton. Instead, Stockton will now be gaining 6 of Redcar's Pulsars.