Yes, Yes, Yes
BC is much better the coach. The thought of 12 or more hours in the back of a 747 is just unthinkable. I do LAX-SYD often. Mostly in BC but did it once in F. No comparison although the atmosphere was quite like a libary. Very quiet and relaxed. I suppose those paying $10K should have that! Location is important on the 747. I prefer the seats upstairs but carry on space is VERY limited close to your seat.