Most of these don't support it (yet?), but I personally love the idea of having my editor of choice on the web with all my settings and with no install/permissi

Most of these don't support it (yet?), but I personally love the idea of having my editor of choice on the web with all my settings and with no install/permission issues. The real reason to me though seems that it's just the easiest way to make a cross-platform UI. And in this web powered world, everyone knows how to code html/css, so why relearn a bunch of new tools?