When they set you up for your registry they will give you a big list of what most people put on the registry.
Whats the purpose of the registry?
Babies r Us is expensive! I did mine at Target and Walmart. If you're having a baby shower I'd let the host know and they can include it in the invites otherwise you could just tell them.
I did mine through Wal-Mart.. Babies R Us is so expensive.