If you're running Vista and have a Windows Mobile device (version 2003, 5.0 and 6.0) you should grab the new WMDC. This Vista add-on is available for both x86 and x64. Here's a list of updates and new features from the download page.
Key updates in Windows Mobile Device Center 6.1 include:
- Windows Mobile 6 feature support
- Information Rights Management activation - Automatically configure the Windows Mobile 6 device to open IRM-protected documents and files
- HTML mail – Set up your Windows Mobile 6 device to sync HTML-formatted mail
- Certificate Enrollment - Acquire certificates through the PC the Windows Mobile 6 device is currently connected to
- Allow data connections on the Windows Mobile 6 device when connected to the PC
- File synchronization for smartphones – Synchronize files with your Windows Mobile 6 devices, including both touch screen and non-touch screen devices
- Automatic device authentication - Connect the Windows Mobile device to the PC without the need to enter the device-lock PIN every time upon connect
- Product Registration - Register your Windows Mobile device and get connected to information and offers available for your device