I found out with DD1, didn't with DD2. I liked the fact that I felt more bonded during pregnancy to DD1 as I knew she was a girl, she felt like a "person" ifkwim. With DD2, I wanted the surprise.
I have absolutely no preference for a boy or a girl but think it would be nice for DD1 especially if we knew what we were having this time around.
Should I keep it a lovely surprise or find out?