Social bookmarking sites for designers and developers

I have listed the top social news / bookmarking sites where designers and developers can submit or find great resources, tutorials and latest design news.

Cypherbox
Delicious
Design JoJo
Design:Related
DesignBump
DesignFloat
DesignMoo
Dev Snippets
Developers Niche
Digg
DZone
Faqpal
favSHARE.net
Graphic Design Links
Inspiredn
Joyoge
Mister Wong
Mixx
Pixel Groovy
Reddit
Script & Style
Sharebrain
Stumbleupon
The Web Blend
Tip’d
Twittley
Undrln
Webmaster Clip
WPscoop
zaBox