If you're running Windows Vista, and have a Windows Mobile 2003 (or later) device, then you'll want to download and use the new Windows Mobile Device Center 6 for Windows Vista. This is a very cool utility for synchronizing your device, and includes a lot of enhancements over ActiveSync. Here's a list of some of the features, straight from the website:

  • Streamlined setup - A simplified new partnership wizard and improved partnership management.
  • Robust synchronization - Synchronization of business-critical data such as e-mail, calendars, contacts, tasks, favorites, and files.
  • Enhanced user interface - A simple and compelling user interface helps you to quickly access critical tasks and configure your device.
  • File browsing - A new device browsing experience enables you more quickly browse files and folders and open documents on your device directly from your PC.
  • Photo management – Picture management helps you detect new photos on your Windows Mobile powered device, tag and import them to the Windows Vista Photo Gallery.
  • Media synchronization - Use Microsoft Windows Media Player to synchronize and shuffle music files on your device.

Click the image to learn more, or just go ahead and download the 32-bit or 64-bit edition.