Yeah, I still find myself typing "p" into the address bar as a shortcut to MCiOS. ("d" goes to Orange, "r" goes to here. Obvious reasons. But I'm so used to those shortcuts, if I use another computer it knocks me sideways for a minute.)
For those who are able to access it - tonight [Sunday] sees a series of programmes on BBC TV 4 beginning at 2100, which are all related to the London Underground. Includes the 'Design Classics' prog about the LU map.