External Fiber Channel Raid options for New Xserve besides Promise V-Trak

I was wondering if anyone out there knows if there is an alternate option for a External Raid that can be hooked up via 4gb Fiber Channel to my new Xserve. I am really looking for a more cost efficient one than the 12K Promise set up from Apple. My Technology vendor was telling me that you have to use the Promise Raid as it is the only one that a Xserve will control due to Apple's licensing of its drivers etc. for its Fiber channel. Something tells me that this is not true.
Anyone have any recomendations for a Fiber channel Raid solution in the 6K dollar range?
thanks,
Dan

Find another vendor. Anyone that tells you the Promise is the only RAID that will work clearly doesn't understand the market.
As for recommendations, you need to include some idea of capacity, either usable or raw. I can find you a lot of options for $6K if you want a 100GB of data. Not so many if you want 100TB.

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