Looking at SFO-EWR in F and see they have flights on either a 777-200 or 757-200 (mainly the latter). Looking at all the different seat maps on  Seatguru hurts my head. Which ones should I be looking at in this case? Does anyone have any experience on one of these transcon routes and can offer an opinion on the better F product. Will be an overnight flight so lie flat seats will be an important factor. Any general comments on what I can expect would also be appreciated.
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