With DS, I wasn't sure if I wanted to know or not, but my DP wanted to so he decided that one and I think it made him feel more apart of things, if that makes sense.
We only told our families the gender that time around, but half them couldn't keep it a secret, so that was a little disappointing for me. :P

This time around, both DP and I wanted to find out. We got an answer sort of, but we're still going with both sex names and only getting unisex stuff. We both don't think she gave it enough time when looking or even reassured us. Like come on how can you tell from a profile view. Lol

Good luck with your scan and with whichever way you decide about the gender.
I hope you're having a H&H pg!

xx