That should cut the server cost of the leaderboards by 4, so it should keep serving all weekend.
Here's what the leaderboards look like going into the weekend:
And, it has hit the 2000 mark for number of installs on the Chrome Web Store.
The Mac bug is unsolved, but if you turn "browser text" off, you should get a good framerate on the Mac. I just don't know why yet - it doesn't seem to be related to the page flow (because deleting the css and html do nothing), or how much information it's passing from native client to the browser, so I don't know what.
Also, trying out mercurial. Joel Spolsky's tutorials are pretty good.