Originally Posted by
fumje
I intensely prefer having a window seat, but for such a long flight as PEK-ORD, I would take any PE seat sight unseen over a regular E(/E+) window seat.
Yes the extra pitch, legrest and footrest, and additional recline makes this an easy call. In terms of seat comfort, it's likely a bigger difference than domestic Y to domestic F (though not quite as much space shoulder to shoulder).