I also use Visual Studio. I had no problems with its speed; I believe that everything is as fast as I expect.
However, I have not used TypeScript projects. I use common "Web" projects with TypeScript files. In addition, I do not use my own tools for building and compiling Visual Studio; I use my own Gulp tasks for my project (including recovery, saving monitoring, minimization, testing, etc.) And the "Task Launch Explorer" manage them from Visual Studio. I think this is the best of both worlds: the maliciousness and features of Visual Studio, as well as the flexibility to run my own custom tasks regardless of the platform.
I have to admit that I am not doing deep debugging (e.g. breakpoints, stepping) from the IDE. Does VS do this with TypeScript? If I catch an error at runtime (in the browser), I always have the source maps indicating where the error is, so I go back to the code, try to fix it, save and reload in the browser.
source share