An interesting and fun website that is "everything Rolls-Royce & Bentley":
http://www.bentleyspotting.com/
For the Rolls-Royce Silver Shadow techno & boffin:
http://www.rrsilvershadow.com/EIndex.htm
Interesting Rolls-Royce facts, myths and legends:
http://rroc.org.au/wiki/index.php?title=Rolls-Royce_FAQ:_Myths_and_Legends
Official Rolls-Royce web-site:
http://www.rolls-roycemotorcars.com/
Official Bentley web-site:
http://www.bentleymotors.com/
Bentley Mulliner Showroom:
http://www.flickr.com/photos/50942309@N08/sets/72157625592514634/with/5258910796/
A plethora of Rolls-Royce:
http://www.flickr.com/photos/83309992@N00/sets/72157601134266526/