Free High-Quality Apple's PSD Files

http://www.gavick.com/blog/item/103-free-high-quality-gui-psd-common-elements-for-designers.html

Web standards checklist

http://www.maxdesign.com.au/articles/checklist

Free CSS Layouts And Templates

http://www.smashingmagazine.com/2007/01/12/free-css-layouts-and-templates/

Javascript/Ajax Sliders, Scrollers and Scrollbars

http://www.noupe.com/javascript/30-javascriptajax-techniques-for-sliders-scrollers-and-scrollbars.html

CSS-Based Forms: Modern Solutions

http://www.smashingmagazine.com/2006/11/11/css-based-forms-modern-solutions/

http://www.emblematiq.com/lab/niceforms/

http://www.noupe.com/php/beautiful-forms.html

http://www.1stwebdesigner.com/inspiration/77-inspiring-blog-comment-form-designs-good-examples/

http://www.noupe.com/css/47-excellent-ajax-css-forms.html

http://sixrevisions.com/user-interface/25-stylish-examples-of-web-forms/

http://css-tricks.com/tips-for-creating-great-web-forms/

http://socialcmsbuzz.com/40-css-web-form-style-tutorials-for-web-developers-14082008/

http://www.456bereastreet.com/archive/200701/styling_form_controls_with_css_revisited/

Create CSS3 menu absolutely FREE!

http://free-css-menu.com/css-search-box-and-button.html

How to make sexy buttons with CSS

http://www.oscaralexander.com/tutorials/how-to-make-sexy-buttons-with-css.html

Sliding Doors of CSS

http://www.alistapart.com/articles/slidingdoors/

Color shades schemes

http://www.december.com/html/spec/colorshades.html

http://colorschemedesigner.com/

http://www.colorcombos.com/combolibrary.html

http://tango.freedesktop.org/Tango_Icon_Theme_Guidelines

http://www.december.com/html/spec/colorshades.html