Share 'Shiny new trains, shiny new routes from Finsbury Park'

I've been following this for a while, but it seems very few people I meet are aware of it. From May a new Thameslink line will head south from Finsbury Park railway station, calling at St Pancras, Farringdon, Blackfriars, London Bridge, and stations to Sussex incl. Brighton (it starts at Peterborough or Cambridge). Yes, brand new direct links, and surely a real improvement to a bunch of commuters…