We run with SQL Logging all logons, and NT auditing set on for most things. There have been a few situations where people have claimed the DBAs 'must have'...

I just leave MSDB in simple mode, but do a full backup of MSDB shortly after my other backups are finished.

I do transaction log backups of the 'real'...

A few things to remember...

a) Space may be needed to process the transaction log, as well as database.

SQL Server will always scan the transaction log and to back...