Knowing the guy who was in charge of the design of the new lounge at ST Pancras I can safely say that it will be impressive.
But as Bahrain Lad said how much of it will be fully up and running is another question.......
But then moving an entire rail service in one hit from one side of london to the other and maitenance etc etc is quite an achievement!
Can BA do as well when it comes to moving to T5?