Image may be NSFW.
Clik here to view.Gina Trapani at Lifehacker has done all Gmail users an enormous favour with her Better Gmail extension Image may be NSFW.
Clik here to view. for Firefox.
She has taken some of the best Greasemonkey Image may be NSFW.
Clik here to view. scripts for Gmail and rolled them into a more user-friendly extension that adds (among other things): coloured labels, a mind-bending array of extra keyboard shortcuts, a fixed font option, larger attachment icons, skins and more.
It almost converted me. Almost.
Now the latest version (0.8) adds even more goodies — bottom posting for replies, Google Reader integration, fixed conversation previews, and a Mail.app skin:
Clik here to view.

Each option can be enabled or not as you like from the extension’s preferences.
Image may be NSFW.
Clik here to view.Needless to say, with the labels feature and the extra keyboard shortcuts that Better Gmail provides, it is not very difficult to hack up a very efficient “Getting Things Done” (GTD) system, which doesn’t have all the polish of the tailor-made GTDInbox (formerly GTDMail) extension Image may be NSFW.
Clik here to view., but not everyone needs that kind of power.
It also makes managing mailing lists the work of a new keystrokes and can filter work emails from personal emails quickly and easily.
I could go on and on.
Marriage is for life, we like to hope. Mail.app and me are forever (obviously), but — golly! — the occasional harmless flirt with Better Gmail is diverting! Try it out Image may be NSFW.
Clik here to view. for yourself.