Lots of questions come up here on the same issues. There are some great sites which give loads of info. They are mainly written by consultants so are great for printing info off and taking to your GP if they are not up to speed.
www.menopausematters.co.uk Loads of info here and also a forum. Site is owned and run by the Chairman of the British Menopause Society.
NICE meno guidelines including diagnosis, treatments and advice for GPs on what to do and not to do
British Menopause Society - press releases and consensus statements on latest research
International Menopause Society As above but more global and more research
Royal College of Gynaecologists advice on alternatives to HRT
Google Scholar - type any phrase into the search box for research papers on HRT, menopause, treatments etc.