Change/FeatureDetails Impact/Benefit Revised Network Stack"Black Hole" router detection; WAP2 Wi-Fi security support; NAP (Network Access Protection) supportImproved performance; works with newer wireless security standards; policy-based protection of network against unhealthy PCs Internet Explorer 7.0Latest version of Microsoft’s Web browser Tabbed browsing; phishing filter; better standards compliance Windows Change/FeatureDetails Impact/Benefit Revised Network Stack“Black Hole” router detection; WAP2 Wi-Fi security support; NAP (Network Access Protection) supportImproved performance; works with newer wireless security standards; policy-based protection of network against unhealthy PCs Internet Explorer 7.0Latest version of Microsoft’s Web browser Tabbed browsing; phishing filter; better standards compliance Windows Media Player 11Latest version of Microsoft’s audio/video playback applicationBug fixes and security improvements; supports broader range of media types Performance ImprovementsBetter throughput at a variety of business productivity tasksGives IT shops one more incentive to stay with Windows XP Read Randall Kennedy’s guide to the Vista and XP service packs. Technology Industry