Nice! Now also get rid of the elephant in the room - "Google Closure Compiler" and then we can really celebrate.
Well, technically I think most of the community in indifferent. But from the discourse about the topic, I feel like I see pretty even splits.
I think it gets a bad rap because you need to write your code in a certain way to avoid the optimizations breaking things. But if you're a disciplined developer, you'll reap some large benefits.