data masking

I'm looking for feedback on data masking products. By data masking, I mean
data obfuscation so that sensitive data can be innaccessible on development
and QA copies of the production databases.

The data masking thread has come up a few times on Oracle-L over the years
but I haven't seen much in the way of recommendations.
As far as options go there is

   -    Oracle - of course
   -    IBM  Optim
   
http://www-01.ibm.com/software/data/data-management/optim-solutions/data-privacy-pci.html

just yesterday I went to a presentation at NOCOUG by

   -    Axis Technologies http://www.axistechnologyllc.com/

and previously mentioned on Oracle-L are

   - Datamasker  http://www.datamasker.com/
   - Camouflage  http://www.datamasking.com/
   - http://www.net2000ltd.com/

My unsubstantiated guess, having worked at Oracle for 13 years, several of
those years in the OEM group, is that Oracle's approach to data masking will
be expensive, inefficiently complex , pretty buggy not to mention missing
some key functionality.  Oracle can get away with a lot given it's marketing
presence.
I hear most talk in the industry about IBM Optim.
The presentation from Axis at NoCOUG was good and they seem to understand
the domain well.
The other options I know nothing about.

Has anyone used any of these products and/or have any feedback on them?


Thanks
Kyle

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