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I'd love to "watch" the project on github, but alas it's stranded on the island of google code. Check out this [1] basho blog entry on why they chose github over bitbucket — most of the reasoning applies to google code as well. I'm not affiliated with github, by the way, just a happy user.
For a project like this, the concept of "watchers" isn't a vanity metric. I've been working on a lisp->javascript language and have found github watchers to be surprisingly motivating and encouraging.
[1] http://blog.basho.com/2010/11/11/a-few-more-details-on-why-w...