After a long wait the S620 users can also Upgrade to Windows Mobile 6. The
upgrade was already a while available for T-Mobile Dash users so the wait was
very long for us S620 users (-;
Windows Mobile® 6 upgrade
By upgrading your HTC device to Windows Mobile® 6 you'll be able to take
advantage of the new and improved features that will help you do more when
you're on the move.
With Windows Mobile® 6 you can:
*Stay connected to your e-mail, calendar, and contacts.
*Find what you need quickly and easily including business listings, maps and
directions with Windows Mobile's powerful search and filtering features.
*Get access to corporate networks for data and documents stored on file shares
and SharePoint sites.
*Fit your style with a variety of designs ranging from touch screen devices with
slide out keyboards to sleek full-keyboard smartphones or compact flip phones.
*Now receive HTML e-mail support, improved security and encryption, greater
integration with Microsoft products including direct SharePoint® intranet access
from e-mail links and superior connectivity to Windows Vista™.
Download link in our forums.