"Gmail works well for me. I use it almost exclusively, even forwarding emails sent to my other addresses to my Google mail account. I like its labeling function and the tightly integrated chat feature that saves each conversation in the mail archives. But recently, I discovered a few Greasemonkey scripts that make Gmail even better.
"In case you haven't heard of it, Greasemonkey is a plugin for Firefox that lets you quickly install and run scripts that change the content of selected Web sites. The scripts download and install in seconds, and make it easy to tweak your most visited sites..."
