I have been using this solution since 2008 and find the fast recover and deduplication of this product valuable. An example of how this product has improved the way our organization functions is that it recover Citrix farm in 15 minutes. The exchange and Sharepoint have room for improvement. We encounter no issues with deployment, stability or scalability. We implemented through a vendor team; their level of expertise was high. Initial setup was straightforward.
I would rate the level of customer service a 10 and the level of technical support a 9, so both were really excellent. We previously used Backup exec, and evaluated Acronis before we chose this solution. Our ROI on this product is one year. Costs for day-to-day and setup are 1 day cost to deploy, day-to-day depends.