HDS to Acquire BlueArc

After 5 year OEM partnership Hitachi Data Systems acquires BlueArc. 

And who except HDS could be really interested in BlueArc acquisition?

IBM has its own SONAS solution and OEM agreement with NetApp.

HP successfully offers X9000 series for Enterprise Market

NetApp has excellent NAS solutions and already acquired LSI.

EMC offers VNX Unified Storage and  acquired Isilon about one year ago.

Dell has it's own PowerVault NAS and acquired Compellent in the beginning of 2011.

Who else from the big storage players was remaining without it's own NAS solutions? Only HDS.