I think it's important we have a host for ALL javascript projects, not just jQuery projects, and I think this site does a pretty damn good job of getting us there. Very nice work.
The other building is the Techarb, a student startup accelerator - http://cfe.engin.umich.edu/techarb/
My startup, Fetchnotes, works out of there, it's a great place.
As one of the founders from the Ann Arbor area, I can say this list is more of a Southeast Michigan list, an area for which Detroit is often synonymous. Due to their relative proximity, there hasn't been a reason yet to push one city to be a center over the other, it's more so about the region as a whole, which is very well linked together.
Tornado (http://www.tornadoweb.org/) can deliver long-polling with a pretty small amount of work as well, and I appreciate the simple, lightweight design of the framework itself.
It seems crazy how nonchalantly they discontinued support. I really wouldn't have thought the suggestion of appointing a community manager would be too much trouble.
I just had to explain this to my co-founder last night after he freaked out because our old site with a different name was showing up first in his search results with our new name as the query . With web history off the old site wasn't even on the first page.Now I just have to explain that no one searches for early-stage startups let alone cares if they change their names :)
I use nano a lot, but I've been trying out PyCharm for a few weeks now, and so far I've been impressed. What's nice is that it really feels like it was built specifically for Python/Django as opposed to going with some other IDEs that shotgun their support. That being said I love customizing something simple like vim/nano into a great language/framework-specific IDE as well.