http://www.ef-faq.org/introduction.html

Get started:

• MSDN Getting Started with the Entity Framework page
• Absolute Beginners Guide to Entity Framework
• MSDN Docs
• Entity Framework Forum
• Stack Overflow EF FAQs
• Entity Framework Samples
• Beginner's Guide to the Entity Framework
• Entity Framework Tutorials
• TechEd North America Sessions Online
• Top ten questions and answers on data
• Alex James EF Tips and Tricks

Entity Framework team blogs:

• EF Design blog
• ADO.Net team blog
• Data and Modeling Customer Advisory team blog

Some individuals (inside and outside Microsoft) who blog about EF:

• David DeWinter
• Zeeshan Hirani
• Alex James
• Jarek Kowalski
• Ju-Yi Kuo
• Julie Lerman
• Tim Mallalieu
• Colin Meek
• Rowan Miller
• Eric Nelson
• Oakleaf Systems
• Danny Simmons
• Tony Sneed
• Diego Vega

MSDN Magazine:

• Building N-Tier Apps with EF4 by Daniel Simmons
• Entity Framework: N-Tier Application Patterns by Daniel Simmons
• Entity Framework: Anti-Patterns To Avoid In N-Tier Applications by Daniel Simmons
• Entity Framework 4.0 and WCF Data Services 4.0 in Visual Studio 2010 by Elisa Flasko
• Standard Query Operators with LINQ by John Papa
• Deny Table Access to the Entity Framework Without Causing a Mutiny by Julie Lerman
• Precompiling LINQ Queries by Julie Lerman
• EF v2 and Data Access Architecture Best Practices by Tim Mallalieu

.NET Framework 4 webcasts:

• Julie Lerman's Tips and Tricks
• Entity Framework 4: Part 1 - Simple Model First
• Model-First Development with the Entity Framework 4
• Agile Entity Framework Part 1: POCO Classes
• Agile Entity Framework Part 2: Repositories & Testing
• Entity Framework and ADO.NET Data Services
• Evolving ADO.NET Entity Framework in .NET 4 and Beyond

Books:

• Programming Entity Framework, second edition
• Entity Framework 4.0 Recipes: A Problem-Solution Approach
• Microsoft Entity Framework in Action

Forums / Places to Ask Questions:

• MSDN EF Forum
• MSDN EF Pre-Release Forum
• Stack Overflow Entity Framework FAQ

Web Application Introduction