BA swapped our LAX-LHR flight from a 777 with CS to one with CW. The CW cabin is pretty full. I picked two seats for us in the center, but now a window-aisle pair just became available. Any advice on switching? If we stay in the center, we both have to climb over others and the FA has to hand our meals over someone, but we're facing the same way; if we switch, only one of us has to climb over someone but we're facing opposite ways. I'm leaning towards switching but would like to hear what people with more CW experience think.