Congratulations on the BFP!!

I second all of the above and would add the suggestion - start reading! You don't really need to now necessarily, and it does depend on the sort of person you are in terms of whether you like to be well informed or know everything there is to know about things. But... there is evidence to suggest you are more likely to get the birth you want if you are well read and understand how our hospital system works. Then there is all the reading for how to handle the baby... Good thing we have 9 months, Ha! There are some great suggestions floating around this site for birth/labour references.

For pure enjoyment factor rather than a 'what you should be doing' I also recommend looking up a pregnancy website such as baby gaga or baby centre where you can sign up for a weekly email outlining baby development. I really enjoyed these the first time I was pg and am this time too!