I'm flying solo on 74M for the first time. All single seats downstairs are booked. 77K was open (and 77J currently empty) and is spoken of highly, so I selected that. However, I'm wondering what the key advantages of that seat are. It seems that the forward partition of the seat (footrest and TV) is spaced at the same distance forward as all of the other seats, so is getting out/over 77J any easier in this row as compared to the other rows? I've also read that footrests are larger (similar to bulkheads in 777), so that's a benefit, and having the exit aisle directly in front increases isolation a bit by increasing the distance from neighbors. I'm traveling 1A on return, so the upper deck experience is a plus, but I'm weighing if I should jump to 1A if it opens up. Seating often come downs to a personal decision, but I am seeking to understand what makes 77K unique.