I will say this the President's Club is really nice and in a historical location where the airport's main restaurant used to be. There wasn't anything per-se wrong with the RRC there, but nothing special. (And it came in handy a few months back when I had a US Airways flight flying out of that pier).

So to be able to keep the President's Club in DCA, I think it's a great move for UA to move down by the CO gates.