Yeah, cua-selection-mode. C-enter to start rectangle selection. It works very well, but I eventually moved off these training wheels and just used Emacs' built-in rectangle features.
Talking with a friend we got to this conclusion, emacs has very cool rectangle commands, but they're hard to "see".
I mean in other editors you can really select a rectangle and then work with it, with emacs you have to compute it yourself.
It would be great if at least when I select some text, the area that represents the rectangle has a slightly different color
than the rest of the selected text.
Would that be somehow possible?