Available for download ReSharper 4.1

Major changes:

* Support VS 2008 SP1
* Improved ASP.NET support
* Performance improvements
* Improved stability

Generally:
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* Fixed bugs: 232
* Minor fixes: 10
* Exceptions fixed: 653
* New features: 15
* Performance issues: 4
* Usability problems: 8

The entire list of changes (not transferable) is here .
You can download from here