Masochist that I am, I’m one of the few individuals in the universe who voluntarily use all three of Windows, Mac OSX and Linux on a basically daily basis (I have Mac and Windows laptops, and use a Linux desktop in my office). Now, on Mac and Linux installations, there is no question as to which editor I will use; I confess to being an Emacs evangelist (especially to Mac users who haven’t tried Aquamacs). I recognize a lot of people have trouble with the learning curve on Emacs, but once you’re through it, every other editor just seems annoying.
Unfortunately, I’ve never found a good version of Emacs for Windows. In my day, I’ve used Winedt, and LEd (actually, I wrote much of undergrad thesis in Notepad, but I was young and foolish then), both of which I found basically fine, but I’ve always kind of felt like there must be a better program out there. Does anyone have other suggestions?