What is the final verdict? I believe Glenn is for enabled (ON) even when statistics updated nightly as a job.
NOTE: Auto Update Statistics must be enabled (ON) for the asynch option to work.
Related blogs:
http://www.mssqltips.com/sqlservertip/2904/sql-servers-auto-update-statistics-async-option/
http://www.brentozar.com/blitz/auto-update-stats-async-enabled/
http://www.sqlskills.com/blogs/erin/understanding-when-statistics-will-automatically-update/
http://weblogs.sqlteam.com/tarad/archive/2008/06/16/Asynchronous-Update-Statistics.aspx
Kalman Toth Database & OLAP Architect
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