The definitive website to read is the Home Birth Reference Site. It has lots of lovely homebirth stories, information and research. If you face a particular challenge planning your homebirth take a look at the very useful “Can I have a homebirth if…?” section.
Manchester Positive Birth Group is part of the Positive Birth Movement spreading positivity about childbirth.
Homebirthers & Hopefuls is another good resource on homebirth.
Tell me a good birth story is dedicated to sharing positive birth stories including homebirths. They have a buddy matching service where they can match you up with a mum who has been in the same situation as you.