Following are the some of the new feature that are included in .net framework 3.5 and described in the article.
- ASP.NET and Ajax
- New list and data pager controls
- Linq and other .net 3.5 enhancements
- WCF Support for RSS, JSON, POX and Partial Trust
Following are some new features that are described in article for visual studio 2008
- New Design Interface
- Multitargetting support.
Here it the link for that article...