2A and 2K are a great option to be honest, there is a huge space between the seats so not close enough to talk but can see each other and have so much space. On the 747 you can do buddy dining and talk when you want too. The only other better choice is 1a and 1k assuming they aren’t taken by golds prior to 72 hours or so. Really 2A and 2K are the best seats in my mind if you can’t get row 1. Also the wardrobe in front of 1A and 1K isn’t the best.
So stick to your seats, tons of space and just a great feeling! Enjoy your trip it will be great!