We use Adic i2K, lib is pretty good, However, with mergers and aquisition 
its problamatic, STK may be viable choise as Adic support is just adequate.
Also consider who's drive are in the lib and where to obtain drivers, 
firmware update and support as  Library vendors who dont have close 
relationship with tape vendors you will have harder time getting support, 
i like a company who would take a complete ownership of the product, i.e 
IBM, STK, HP.

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