Originally Posted by
Corpt
Mrs C and I are taking VS010 in a couple of weeks and, after checking out of our hotel around lunchtime, will probably be doing the last minute running round the shops routine during the afternoon before heading out to JFK (probably on the LIRR and AT).
Are there any showers in the JFK Clubhouse?
Also, is it "the done thing" to change into PJs before leaving the CH and boarding?

I have always seen people change into pj's after boarding but before takeoff, and some wait until after takeoff. That does not mean that you could not change in the Clubhouse before departure, though.
And, if you are referring to the VS pajamas, I am not sure they are available in the Clubhouse; normally, they are distributed onboard the aircraft before departure.