Used to be: firstname.lastname@example.org
Used to be: email@example.com
I use GNU emacs, without that newfangled X11 or whatnot, for almost everything. I still do web browsing in links and am transitioning from mutt into emacs for mail, and I use zsh.
Update: I have gone over to the dark side. GNOME and everything.
Update: Now I use TextMate on a Mac. L’horror!
Traître! / – AlexSchroeder