Brocade not for sale?
Of course they are for sale. The problem is that there's no buyer out there: IBM has the OEM and is trying to get out of the hardware business. Dell has the OEM and is busy growing the Powerconnect brand and HP is obviously disinterested.
Who else?
Obviously not Sun/Oracle.
Outside shot:
Would Juniper buy to consolidate the networking business and curry favour by growing market share?