Sorry to leave you hanging on the metrics, here's a great resource: http://www.contrast.ie/blog/the-future-of-analytics-products/ http://www.contrast.ie/blog/t

Sorry to leave you hanging on the metrics, here's a great resource: http://www.contrast.ie/blog/the-future-of-analytics-products/ http://www.contrast.ie/blog/the-future-of-analytics-products... Also, with a Rails app, be sure to give http://gaug.es/ http://gaug.es/ a whirl.