I knew this was coming, but I've not seen it shouted too much. My machine feels more responsive and some operations as mentioned before are faster. If you read the Windows Vista team blog Windows Vista SP1 RC now available for public download you would think it is only available to MSDN and Technet customers. It does have some good pointers though. We're making available today the RC release of Windows Vista SP1, found here on MSDN and here on TechNet , with an FAQ here . I invite you to download, install and use the SP1 RC and let us know about your experience by providing your feedback here . Before you install SP1 RC, please bear in mind the following points of advice, detailed in this short article : If you have a prior version of SP1 Beta installed, you must uninstall it prior to installing RC. This is pre-release code and will change before the final release. This pre-release software is provided for testing purposes only. Microsoft does not recommend installing this software on primary or mission...