Oooo, simmetrica looks very nice! IIRC when I was writing our implementation there weren't any solid Python versions yet. Glad to see that changing!

More good implementation info here http://blog.apiaxle.com/post/storing-near-realtime-stats-in-....

You just solved some of my problems. Thank you very much!

Btw is there any nodejs module for voting? I've done it myself for one app but it would be nice to see other solutions.