Several dozen customers are already running SQL Server 2012 AlwaysOn in production. We have published case studies with some of these reference customers.

Mediterranean Shipping Company (MSC): http://www.microsoft.com/casestudies/Microsoft-SQL-Server-2012/Mediterranean-Shipping-Company-MSC/Shipper-Supports-Expansion-by-Boosting-Speed-Control-and-Savings-with-Microsoft/4000011460

ServiceU: http://www.microsoft.com/casestudies/Microsoft-SQL-Server-2012/ServiceU/Online-Company-Reduces-Downtime-and-Helps-Its-Customers-to-Improve-Service/4000011506

Edgenet: http://www.microsoft.com/casestudies/Microsoft-SQL-Server-2012/Edgenet/Data-Provider-Supports-Growth-and-Gains-Competitive-Advantage-with-Microsoft/4000011528

Beth Israel Deaconess Medical Center: http://www.microsoft.com/casestudies/Microsoft-SQL-Server-2012/Beth-Israel-Deaconess-Medical-Center/Hospital-Improves-Availability-and-Speeds-Performance-to-Deliver-High-Quality-Care/5000000011

Sundio Group: http://www.microsoft.com/casestudies/Microsoft-SQL-Server-2012/Sundio-Group/Online-Travel-Firm-Boosts-Availability-and-Performance-to-Handle-Peak-Sales-Volumes-with-Microsoft-Solution/4000011822

 

For more customer case studies on AlwaysOn, search microsoft.com/casestudies:

http://www.microsoft.com/casestudies/Case_Study_Search_Results.aspx?Type=1&Keywords=AlwaysOn&LangID=46