Double Take is replication software, typicaly used between Live and your DR site.
http://www.doubletake.com/english/solutions/workload-availability/Pages/sql-recovery.aspx
http://blogs.techrepublic.com.com/window-on-windows/?p=103
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
This thing is addressing problems that dont exist. Its solution-ism at its worst. We are dumbing down machines that are inherently superior. - Gilfoyle