Have a look here http://www.facebook.com/home.php?ref=home#!/groups/292074317470700/
I really would recommend not buying up one brand in bulk before your baby arrives, chances are your baby won't fit it or it won't work for you and then you will have to resell at a loss and start again.
You can get a hire kit with many different brands to try with a newborn, or maybe buy a few different sorts of nappy second hand so you can try them out.
Good luck, cloth nappying really is an addiction, there are so many cute nappies to try