To get an experience, how much visitors and page views the current day will bring, you could try my new plugin "Forecast". It shows the visitors, bouncing visitors, returning visitors and page views.
The calculation is not the best at all and will be improved.
Support and Download are found at my Blog: [http://jan.bogutzki.de/piwik-plugin] Keywords: third-party-plugin
Maybe you'd like to publish your plugin there?
In any case, keep up the good work and we hope you enjoy Piwik 2!