Some Useful Links

http://www.tutorialstart.com/
http://www.iyiz.com/top-71-css-menu-navigation-resources/

For Css menus
http://www.noupe.com/css/multilevel-drop-down-navigation-menus-examples-and-tutorials.html

Css Site Collections
http://www.css-design-yorkshire.com/

101 Best Web Sites
http://101bestwebsites.com/