This is my first and I really like being team yellow! OH and I picked unisex first names and decided on more boyish or girly second names. Also I have more fun picking out different-than-blue-or-pink colored things. I DIY'd a couple of things for baby already and they are fairly gender neutral. Our "colors" are lavender, mossy green, yellow, and grey.
During the anatomy scan it's tempting to find out the sex... OH is very adamant about staying team yellow so his support REALLY helps. Also it's kind of fun to talk about what your baby might look like if it's a girl or if it was a boy, etc. The mystery gives room to fantasize about your baby in more ways than knowing the sex I think.
Also people ask me if we WANT a boy or a girl, we are pretty much without preference, so maybe that makes it easier too?