Andy R wrote:
> 
> >From where I'm sitting, you don't want DLT. 

You should change your seat then ;-)

> I support
> a very tape intensive product, and DLT isn't up to it.
> Never was.

That exactly the opposite to my experience.
They are simply rock solid.
Yes, they are more expensive than the others, but at the moment
you need your backup, you're glad you spent it ...

> I'm not sure about DDS4, but it's probably
> a viable option. 

DAT is a write only backup. Makes you feel good, until you need 
the tape.

cheers