Simon Singh, the guy who wrote that book, also made a very cool documentary on it. It used to be on YouTube, but it was removed by the BBC (they have a very annoying habit of removing educational content from YouTube). It's on the BBC iPlayer.
I was a C# and hence VS user for many years, so I mainly used that, but at the same time, also casually used Vim for editing csproj files, MSBuild scripts and the like. Then I moved away from C# and Windows to Linux and DevOps stuff. At that point, I started to use Vim fulltime. Getting into it, I saw you could keep your configuration in a dotfiles repository, so that you didn't need to remember how to setup a billion plugins on a new OS install (although admittedly, that's true for any editor) and that was when I seriously invested time in getting a good setup.
Now, I just can't imagine going back to anything else. No matter how good you seem to get, you just never stop learning stuff about it that makes it easier to do your work. Initially I was afraid of not having intellisense, as I'd developed what I consider to be a bit of a crutch on that, from years and years of using VS. But, it turns out, you can get very near IDE like intellisense with plugins like YouCompleteMe. For me, the approximation is acceptable, due to all the other power that comes with Vim.
I also love that I can use it in the terminal (I don't use gvim) and still have it look fantastic, meaning, using it along with tmux, I rarely need to leave the terminal for anything now. I like that, because it means I get to learn how to do everything really fast on the command line, without the aid of a mouse. I really just consider the whole command line environment to be my IDE now, and I love it!
I do have to admit though, if I was still doing Java or C#, I'd probably still keep the IDE around for doing big refactors and some code analysis. Now though, I'm mostly using dynamic languages and bash scripting, so the full IDE isn't as necessary (at least I haven't found it to be, so far).
There is also an excellent long interview with Ken Ribet, who proved a result that inspired Wiles to take on the proof: https://www.youtube.com/watch?v=nUN4NDVIfVI