I would never choose a window if I had my way. I need to be able to get to the bathroom. And not be pinned in by a stranger. Or even my husband.
All this. Being pinned in by the window does not work for me and I don't like seeing the plane turn at odd angles. It freaks me out and makes my anxiety worse.
Roomier while sitting in steerage class? Bahahaha! Unless you get lucky and snag an emergency exit, then you're foot room is nil.
For me, I like window if I'm traveling with people I know. I like aisle if I'm by myself. I'm not a fan of sticking my butt in stranger's faces when I'm getting up and down.