Below are some software additions that will enhance your life as a Gmail user:
1) POP Goes the Gmail :
http://www.Jaybe.org
Enables you to read your Gmail from any POP3 account.
2) Import Your Email :
http://www.marklyon.org/gmail
Tool to export your existing email from your current email client over to Gmail.
3) Gmail Drive :
http://www.viksoe.dk/code/gmail.htm
Uses your Gmail account for additional storage. This software creates a virtual file system around your email account. It literally adds another drive onto your computer. You can drag files or folders and have them sent and saved to your Gmail account. Only works with IE 5.0 or higher.
4) Hide the Ads :
http://www.digitalmediaminute.com/article/1063
This hack is for the Firefox Browser and actually hides the text ads that Gmail displays within each message.
5) Icon Generator :
http://www.ImageJunk.com
Create your own Gmail email address image.
6) Gmail Notifier :
http://toolbar.google.com/gmail-helper
Downloadable software for Windows 2000 or XP. This icon sits in your Window tray and alerts you when a new Gmail message arrives in your in box.