There are a lot of posts here and I am pressed for time.

dont choose row 1 on the suite planes as people flick the curtains,.
( I always choose row 1 on Qantas)
I like row 3 window if poss
on the other aircraft I actually like row 2 window if there is no one next to u as it is very private otherwise if there are 2
row 1.
I visited someone in J on the syd-bkk and I think the middle seat is a bit wider -
just looked that way but definitely first row of J