Some websites that I have found useful:
General:
RootsWeb.com
Cyndi’s List of Genealogy Sites on the Internet
FamilySearch Internet Genealogy Service
Hugh Wallis’ Index of IGI batch numbers
Cakebread Family Surname History & Origins
Public Records Office:
Cheshire:
Cheshire Births Marriages Deaths Indices and ordering of copy certificates
Hertfordshire:
Family Tree 
