There are definitely attempts to bring the language service to other editors but when I tried them last (just before the 0.9 release) they seemed either featureless or very slow. If someone can recommend one for sublime/emacs/vim that they actually use I'd be very appreciative!
EDIT: related thing that annoyed me: the language service is part of the TypeScript repo but as far as I can see from there is no official documentation on how to go about leveraging it for other editors! I admit I can kind of understand this until the language is less of a moving target. The best way to get started for now seems to be looking at third party efforts like https://github.com/clausreinke/typescript-tools.