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As suggested in previous reply http://www.contrast.ie/blog/the-future-of-analytics-products... has good information about different analytics systems.

But if your business growth depends on analytics then investing into home grown analytics solution would be a good strategy. Investing in a home grown analytics system not only provide flexibility in gathering any kind of analytics for your web app but also lay the ground work for home grown A/B testing and continuous deployment frameworks. But it depends on how much you want to invest and its ROI which can vary a lot based on your business.