For those who don't know, ETOPS means "Extended Twin Operations." It has to do with how long/far a twin-engine plane can travel on one engine. (E.g., if one engine stops turning...) ETOPS planes' perfomance allows them to fly waaaaay out over the water.
Big K and other experts: I'm not sure about the 757 and 767, but won't a 777 fly just as far and just as fast on one engine as it will on two? Craziness.
I work near downtown San Diego, and my office has a close-up eye-level view of the planes on final approach into SAN. BA used to fly a 747 into Lindbergh Field, and then switched to a 777. (A daily route from Gatwick, I think.) Those are beautiful aircraft...
I agree with Tom though: the A330 takes the cake when talking about aesthetic perfection.
http://www.airliners.net/open.file/678824/M/
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"The whole problem with the world is that fools and fanatics are always so certain of themselves, but wiser people so full of doubts." -- Bertrand Russell