I'm using the Versamail program on the Treo for work email, Yahoo, and Gmail. I have all these accounts set up with POP or IMAP settings.

What does Versamail on the Palm desktop software do? Should I link my Yahoo or Gmail account with this software? I'm using Outlook to synch my contacts and calendar. When I click on the icon, I get a setup wizard.

Is there a major benefit that is flying over my head?