Lowell (7/5/2013)
you missed Sean's snippet where you have to use a DAC(Dedicated Admin Connection) in order to see the statsblob; if you do that, the dmv sys.sysobvalues would be accessible.
Ah yes, my bad; I'll try that.
Incidentally I did a little test updating the stats of a 1-GB table before and after deleting duplicate stats.
I found a 20% reduction in execution time of the UPDATE-STATS command after dropping the duplicate stats.
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