There are many sites with idea's, resources and tutorials, for graphic designers. However, very few offer the quality of this site. Many freelance designers have blog sites with tips and techniques, but they don't often have the full package of information to be truly useful. I'm not discrediting their usefulness because I have found many useful articles (often via google), that have great ideas, especially work-around tips for web design. But, for a really useful resource, you should check out 'smashing magazine'.
www.smashingmagazine.com
This site is a massive resource of web design information. Without a doubt, it's usefulness is in describable. However, you will need to use the search bar a lot, there's too much to read through.
"Founded in September 2006, Smashing Magazine delivers useful and innovative information to Web designers and developers"
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