(08 May 2016, 5:47 pm)Malarkey wrote Do we think that 27506 to 27510 will be replaced on the 100 this year by the new E200MMCs, with 27506 to 27510 perhaps transferring to Sunderland for Service 12, replacing ALX300s 22079 to 22082 on there., with 1 spare.
No - the reason why 27506-10 have remained on service 100 since new is due to their high capacity for a single deck.