I prefer window seats (although I do my very best to avoid the Emirates 777 as I hate the 2-3-2 layout) If I engage brain I give consideration to where the sun might be on the day time leg(s) and select the side which will not have the sun shining in so that I can keep the blind open and watch the world go by without overheating

On the subject of will you get asked to move then no one can really say even were it a one in ten chance you might still be the one.