http://blogs.msdn.com/b/dsyme/archive/2010/06/28/f-case-study-banking-firm-uses-functional-language-to-speed-development.aspxA customer case study in the use of F# has been made available on www.microsoft.com . Enjoy! Don P.S. The company in question has a policy of anonymity, a common restriction in this sector. Financial Services Firm Banking Firm Uses Functionalen-GBTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)