There is a good audio talk show in .net Rocks with Mark Pollack who founded Spring.Net. Particularly this show would be more useful if you are not aware of the potential of Spring.Net.
BTW Spring.Net has announced the release of Spring.NET 1.1 M1 (Milestone 1).
New features and improvements in the release are below.
* NUnit Integration: Aids in writing integration tests. Configuration of test cases via dependency injection and automatic transaction rollback
* NHibernate 1.0/1.2 Integration: Simplify use of NHibernate and participation in Spring's declarative management
* ASP.NET AJAX Integration: Export 'plain .NET objects' as web service, configure and apply aspects to them, and then expose inside client side Javascript.
* Transaction and AOP XML namespaces to simplify configuration.
* AOP support for methods with out/ref parameters.
* Sample NHibernate application.
* Numerous bug fixes and improvements.