I think part of the fun is actually going out afterwards and buying the stuff you didn't know you needed!
In the first few days after baby came along I bought the sling (HAB), a playmat to put her down on, books, a microwave steriliser, and a few more pink clothes since I hadn't known what she was before hand.
Our change table has been invaluable - we still use it now.
Maybe chase up a couple of good nappy buckets now, and a clothes hamper, but you will get given all the stuff like face washers, wraps, blankets and toys, so probably best to wait until you see what people give you before you buy them.
Also - maybe try and borrow a rocker as I found I didn't get the use out of mine, soI was super happy I didn't buy one.