Belive it or not some routers won't work with Vista or if they work you might experience
• Slow network connection speeds or Internet connection speeds
• Gradual loss of network performance
• Lack of support for new features or for networking technologies
Here's the microsoft link explaining the problem http://support.microsoft.com/kb/932134
also use the tool provided with the article to test your router before switching to Vista
direct link http://www.microsoft.com/windows/using/tools/igd/default.mspx
my Dlink DIR-625 revision A is not Vista ready
• Slow network connection speeds or Internet connection speeds
• Gradual loss of network performance
• Lack of support for new features or for networking technologies
Here's the microsoft link explaining the problem http://support.microsoft.com/kb/932134
also use the tool provided with the article to test your router before switching to Vista
direct link http://www.microsoft.com/windows/using/tools/igd/default.mspx
my Dlink DIR-625 revision A is not Vista ready