- This Infosys whitepaper presents a SWOT (Strengths, Weaknesses, Opportunities, Threats) analysis of ADO.NET, LINQ, Entity Framework & WCF Data Services. There is also a comparison of Entity Framework & NHibernate. Excerpt - ADO.NET offers best performance amongst its peers (LINQ to SQL, Entity Framework, WCF Data Services)
- C# guru, John Skeet's post in StackOverlow on the pros and cons of LINQ
Comparison of Microsoft Data Access Technologies
Deciding which data access strategy to choose is not always an easy job. Here's a compilation of articles that discuss this topic -