A reliability and performance update is available for download for Windows Vista Service Pack 1. This specific release targets all Windows Vista editions, provided that they have the first service pack integrated. The update comes with the promise of improving the performance and reliability of the gold version of Vista SP1, and is not addressed at the RTM SKUs of the latest Windows client. Two updates are up for grabs for both the 32-bit and 64-bit versions of Vista SP1. "This update resolves issues that may affect some Windows Vista SP1-based computers. These issues have been reported by customers who use the Error Reporting service or Microsoft Customer Support Services," Micros ... more

We have made available updated Language Packs for users using Windows Vista SP1 as well as those running Windows Vista RTM. For those running SP1, the Language Packs should be showing up for you under Windows Update. 

The specific language packs which are being released are as follows: 
German 
English 
Spanish  French  Japanese  Korean  Bulgarian  Czech  Danish  Greek  Estonian  Finnish  Hungarian  Italian  Lithuanian  Latvian  Norwegian  Dutch  Polish  Portugue ... more

After installing Windows Sound Schemes from Ultimate Extras, users can switch from Windows Default to Ultimate Extras Glass or to Ultimate Extras Pearl in the Change System Sounds item in Control Panel. ... more

We have made available updated Language Packs for users using Windows Vista SP1 as well as those running Windows Vista RTM. For those running SP1, the Language Packs should be showing up for you under Windows Update.
The specific language packs which are being released are as follows: 
German 
English 
Spanish 
French  Japanese  Korean  Bulgarian  Czech  Danish  Greek  Estonian  Finnish  Hungarian  Italian  Lithuanian  Latvian  Norwegian  Dutch  Polish  Portuguese (Por ... more

Windows Vista Service Pack 1 (SP1) is an update to Windows Vista that addresses feedback from our customers. In addition to previously released updates, SP1 will contain changes focused on addressing specific reliability, performance, and compatibility issues; supporting new types of hardware; and adding support for several emerging standards. SP1 also will continue to make it easier for IT administrators to deploy and manage Windows Vista. Windows Vista Service Pack 1 Five Language Standalone version can be installed on systems with any of the following language versions: English (US), French, German, Japanese, or Spanish (Traditional).  
Wave0 = Only 5 languages JAP-FRE-SPA-E ... more

Windows Vista Service Pack 1 RC includes all previously released updates for the operating system. This update also includes a small number of new functionalities, which do not significantly change customers’ experience with the operating system. ... more

Need a free copy of Windows Vista Ultimate? Are you incredibly trusting of big corporations? Well I have the deal for you, with a new program through Microsoft called the Windows Feedback Program. For the small price of privacy and perhaps some dignity, you can let Microsoft watch your every move for 3 months, in return for some software of your choice. Surveys are also required, one at the start, and then another in 2 week intervals, but compared to the bigger issue those are pretty painless. Some might find this to be an excellent deal, with software prices high, and cost of your free time to be almost nothing at all.
Microsoft Windows Vista Ultimate (32-bit and 64-bit DVD)
... more

Vista Manager is a system utility that helps you optimize, tweak, and clean up Windows Vista. It will increase your system speed, improve system security, and meet all of your expectations.
 
Features and Benefits of Vista Manager
* Information
Get detailed system and all hardware information on your system; show all detailed information of running processes and threads on your machine; Vista Manager offers  1-clicking cleans your system automatically.
  * Optimizer Tweak your system to improve windows startup and shutdown speed; tweak your hardware to increase system speed and performance.   ... more

SP1 with Standalone installer for Vista x86 (32bit). AFAIK, the .exe nor the contained .cab cannot be integrated into Vista through known methods (vlite, pkgmgr, etc.), and instead must be installed on top of an existing Vista installation.
- Leaked From demonoid - ... more

Microsoft labors to deliver Windows Vista SP1 in the second half of 2007. However, details about the refresh are scarce. Microsoft has limited the information only to reveal the fact that SP1 will be nothing more than a collection of updates and hotfixes and not a major release in the sense of Windows XP SP1 and SP2. ... more