Take a look at these
http://www.sqlskills.com/blogs/paul/more-businesses-than-you-think-are-on-the-cutting-edge/
http://www.sqlskills.com/blogs/paul/more-businesses-than-you-think-are-still-using-sql-server-2000/
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability