Additional Features, Some Questions Answered
I didn't get the chance in my originating post to fill in on some additional features that I didn't get the chance to try out.
Room with massage lounge chairs.
Room with Oxygen bar.
I accessed the lounge with my PC card. Right in front of me was a group of 3 travelers - 2 in BF, one in Y, who was the wife of one of the BF folks. Before you start loading in on that situation, when they boarded, the husband and wife went to BF, and the other gentleman went to Y.
Because the names of the 2 gents were on the CO lounge passes, they would not let the woman in. No amount of pleading on their part would budge the gatekeeper.
I then asked if I could bring her in as a guest on my PC card, and that was allowed. Everyone was happy.
As to the view of the take-offs and landings - the ST lounge is farther down the pier of gates towards the center security zone, so there's only a partial view of the runways. Not as nice, in that regard, as the Holideck Lounge. But in every other way, this has it beat. Would happily arrive at LHR early now.
One last thing, I left the lounge when the nice gatekeeper came around to say that the EWR flight was boarding. By the time I got to the gate, 1C - down the other pier past security, and I am a pretty fast walker, they were announcing that any remaining passengers should now be boarding. They had already completed boarding by seat row. When I heard that, I figured there'd be no space left in the overheads and I'd be gate-checking one bag. Fortunately, the plane wasn't that quite full and I was able to find overhead space for both my bags. Fair warning, though, for the earlier flights.
Also, despite a listed boarding time on my boarding pass of 3:15PM, turns out they started boarding at 3PM. They were fully boarded by 3:17PM by my watch. Again, fair warning.