Congratulations!
Here's something to look over when you're up in the middle of the night:
http://www.chariotcarriers.com/. These things are great if you want to keep your active outdoor lifestyle (ie. cycling, jogging, skiing, strolling, etc.) and bring your child along for the fun as well. There's a few different modular design chariots that are nice (CX and Cougar) as well as the sidecarrier. The modular designs are pretty nice because you can convert them from say ... bike trailer to stroller to xc-skiiing sled to jogger, et al. The sidecarrier's a completely different design and cycling-dedicated, but it allows your child to be right next to you while you ride. A lot of people enjoy that system because it gives them a better perception of where there child is in relation to everything happening around the bike and how much space the bike+trailer is taking up on the road. It also gives you the opportunity to have your child right next to you while you ride so you two can talk it up.
No, I don't work for Chariot.
- eyefloater
PS. Cycling w/ your child isn't an option until they're about 1 year old. Strolling, jogging is possible months earlier, however.