We're not finding out the baby's gender this time around either. I found out with DS, but not with DD. Both DH and I really loved having the surprise (and I admit, it was really fun to see how much it bothers some people), and we're happy to wait it out again.
We're not really planners, and since we co-sleep we don't decorate a nursery. I already have boy, girl, and gender neutral clothing, so it's not like we'll have to run out as soon as the baby is born to make sure s/he is dressed "properly." As far as names, we have a girl name we really like, and we're totally unsure about a boy name, but that doesn't make much of a difference since we don't like having a set name before the birth anyway. Can you tell we are just really laid-back about this whole baby thing? LOL. The only thing I need are some newborn CDs, since I sold all of my stash from DD, but shopping for cloth diapers is always fun so I don't mind doing that.
Sometimes I don't feel very attached to this baby, but I think mostly it's the feeling of normalcy vs. the anxiety that I experienced when I was pregnant with my first. I think not knowing the gender helps me to just chill out about the pregnancy and not obsess over things as much as I did with DS (like, sure we saw a penis but what if there was a uterus too and we just didn't see it!?!?!) I don't know if finding out the gender beforehand would help us feel more attached, but I doubt it at this point. I think we're mostly just excited for May to come so the baby can be born and I can be free from this pregnancy funk! LOL.
I don't regret finding out the gender with DS, since I was in a much different place then than I am now. I'm very happy to wait until the birth to know exactly who the baby is--I just don't see a need to find out sooner than that.
Okay--I think I win the award for the most random, rambling post. Hooray!