Well, so I think thunderbird would be suitable for you. You don´t have to always log in on same page and write your passwornd and login name. I think at gmail you can find guidance how to settle your e-mail account and then it is more compfortable. :)
(hide) If you need to find an older message from the selected user, click on his Profile and use the "show this user messages" link at the page top. (konec) (show all tips)