Gmail Notifier Pro – Professional Gmail Notifier for Windows

Gmail Notifier Pro is a Windows application capable of checking multiple Gmail accounts for new mail and display notifications.

Professional Gmail Notifier
Check multiple Gmail accounts, including Google Apps, for new mail.
Supports both Atom and IMAP protocols for mail.

Themes
Supports customizable themes and individual account settings, making Gmail Notifier Pro the best looking Gmail notifier on the web!

Mail Features
Read, write, reply, preview and save attachments, mark as read and delete mail without the web browser. Supports Google Contacts.

Google Calendar
Integration with Google Calendar accounts gives reminders for calendar events.

Google News, Google Reader & RSS
Get news notifications from Google News & Google Reader.
Supports RSS/Atom feeds to get notifications from any news source.

Customization
Gmail Notifier Pro provides many easy-to-use features and settings.
Define schedules when to check for mail and display notifications.

Portability
In addition to the installation package, Gmail Notifier Pro can also run from a USB-stick without any installation.

Automatic Updates
Gmail Notifier Pro supports automatic updates. A new version can be downloaded and installed with a single click.

Security
Secure account management and encrypted connections (HTTPS / SSL) are used. 100% FREE from virus, spyware and adware.

Summary
Gmail Notifier Pro is simply the best Gmail notifier for Windows.
Supports 32-bit & 64-bit Windows XP, Windows Vista & Windows 7.

more info 
http://www.gmailnotifier.se/