I say Aldor because it was the one I chose when I had the choice.
Waaaaay back in BC when you eventually got to Shattrath, I did the escort not realising I had to choose one of the factions afterwards, nor that there was a reason to choose a certain faction. Then you should have chosen the faction depending on what shoulder enchant you wanted. I didn’t know that at the time so I just chose which one I thought I’d like. Luckily it worked out as I needed attack power as a Marksmanship Hunter.
It was a good difference because almost everyone I knew chose Scryer so that just made my character a little more unique.