I didn't find out the first time and although the surprise was nice I didn't feel prepared at all not knowing. I didn't even have a girl name picked when I went into labour so it was a good thing I had a boy lol. This time I found out and I feel more relaxed about it. I plan this to be our last so it's nice to know I can get rid of all DS's baby clothes and buy girl stuff and I won't have to worry about organizing all that with a newborn and toddler. Personally I like being organized and feel flustered when I'm not so I think i like knowing more. But I do think it's fun to experience both....I don't think you will regret it either way.