Finding out gender

Er

So my husband and I are trying to decide whether or not to find out the gender of our baby at the next appointment. We either want to be surprised or find out and keep it to ourselves. Has anyone decided to find out the gender but let everyone else find out when the baby is born? Did you manage to keep it a secret? Was anyone mad? I have this fear of people not sticking to the shower registry and buying gender specific things they like instead of what we actually need.