Just flown on Dreamliner. First impression on seeing the aircraft was deffo a wow factor. Inside the cabin much the same impression. Our seats were 10 DEF & 11 DEF middle row. Middle seats on row 11 had 33" of legroom,window seats on rows 11-13 had slightly more and sold as ex legroom. Best seats in economy definitely row 10 & row 30 DEF in our opinion although row 30 ABC & GHJ spoke of having probs with toilets and passenger usage.
767 v 787
You lose privacy on the new Jetliner as 9 seats across instead of 2-3-2 or 2-4-2 with 767.. Many dreamliner IFE sets packed up halfway across the Atlantic outbound. No probs on return. Quieter flight,very little jetlag onboard 787. Food the same,possible better in Premier seats from the looks of things.