Interesting. Can you explain how one would predict voters based on past voting patterns? Or do you know about similar projects? It seems that Offensive Politics is more into mapping election results. It seems to me politics is not a field where you can easily predict the future by looking at the past :-)
I was thinking of setting up a poll website (for French elections) but all the online polls seem to exhibit major bias, with way more far right-wing votes than in reality, so I haven't done anything at the moment.