Confusion in the baby aisle

So yesterday J and I went to register. And spent a full hour in the bottle section. What type of bottle does a 12-15 month old need? What about sippy cups? Or transition cups?? Arrrrghh. So we settled on some of those Avent bottles with the disposable liners and the nipples with the biggest "spout" possible. And then we got some regular Gerber bottles and then a couple of sippy cups. Hopefully we got something she will like so she won't be miserable!!! I guess we'll buy some in China too, to have whatever she is used to. So if any of you BTDT parents have some suggestions on this bottle issue - please post a comment and help me out!! Other than the bottle trauma, registering was fun! Luckily we had already picked out the car seat and stroller... but it still took us over two hours to register. Yep, gonna be a spoiled baby. I can't wait!!