Here I’ve included a number of resources for usability best practices, inspiration, and design patterns for the web. There are many excellent sites and blogs on user experience and usability. If there are any that you read regularly and not included below, please share within the comments. Enjoy!
UXBooth

The UX Booth is a blog by and for the User Experience Community. Together, we’re writing articles and sharing resources on usability, user experience, and interaction design.
UX Magazine

UX Magazine was created to deliver a central place to discuss the critical disciplines that all enhance user experience. Extraordinary user experiences should be the goal of every interaction you deliver to your users at any level. All too often, businesses (large and small) get it horribly wrong. It’s painful to watch and even worse when it happens to you.
Jakob Nielsen/UseIt.com

Jakob Nielsen’s website that contains a number of great reports on user experience and usability.
Luke Wroblewski’s Functioning Form

Functioning Form is a blog about interface design by Luke Wroblewski. That is to say, it is where art and technology emerge as experience, where message and medium meld, and where interactions are useful, usable, and enjoyable. Luke is an internationally recognized Web thought leader who has designed or contributed to software used by more than 600 million people. He is currently Senior Director of Product Ideation & Design at Yahoo! Inc. where he leads the design of the world’s most accessed Web page (Yahoo.com) and many other popular products including My Yahoo! and Yahoo! Buzz.
Fuel Your Interface

You interface designers have your work cut out for you. Bigger and better and uber creative websites are cropping up everywhere these days. It always seems as if one form is niftier than the rest, or the typography on one site puts others to shame. How can you even begin to keep up? Why, Fuel Your Interface, of course!
UX Passion

UXPassion is a blog by Vibor Cipan who works with Microsoft Croatia. Vibor is passionate about application and web usability, interaction design, information architecture, SEO and blogging and sees all these elements as a part of broader “UX”, in the future UXPassion.com will bring you tutorials and articles targeting before mentioned topics.
Boxes and Arrows

Boxes and Arrows is devoted to the practice, innovation, and discussion of design; including graphic design, interaction design, information architecture and the design of business. Since 2001, it’s been a peer-written journal promoting contributors who want to provoke thinking, push limits, and teach a few things along the way.
Inspiration and Design Patterns
Yahoo Design Pattern Library

Yahoo’s Design Pattern Library is provides detailed explanations and best practices for various web design patterns.
PatternTap

PatternTap is brought to you by the team at SquaredEye and provides inspirational snippets of everything from 404 pages to best practices for breadcrumbs.
UI Patterns

UI-Patterns.com is the work of Anders Toxboe – a Danish web developer seeking to categorize what has before seemed like ad hoc approaches to developing web applications.
Welie.com

Welie.com is a site by Martijn van Welie. Martijn is a Senior Consultant Interaction Design at Philips Design.
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Http://idesignpatters is another great source. Thanks for the list.
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