openings help

anyone know any good sites that help with openings? especially defence of d4.

thanks

This has some nice introductions to openings.
Specific openings are covered.

http://www.exeterchessclub.org.uk/index2.html

I suggest you browse the entire index but here is a specific defense to 1.d4 page, from that site.


http://www.exeterchessclub.org.uk/Openings/black_d4.htm