Best RAID software (SATA) for DVCProHD editing

Hi, I am editing DVCProHD footage 1080/24pa and will be doing loads of Shake work with it and some compositing (all green screen stuff).
I have a G5 Dual Core with 4.5 gigs of RAM, Blackmagic Decklink Extreme HD card and I've just purchased two external SATA Seagate Drives (750 gigs each) and a Tempo SATA E4P Serial ATA Host Adapter card. I want to Stripe the drives for editing and I was wondering what was the best software to do that with?
Is it SoftRaid?
If it's Apple's Disk utility, then what are the exact specs to use for this kind of use? (Journaled? RAID block size? etc)

Journaled is really just to help with restoration of System Drives - so no.
Must be OS-Extended though.
Quote from Disk Utility Help:
A video processing application might require fast throughput of large amounts of data, so a larger block size might be best for the set.
Andy
Quad 8GB. 250+500 HDs. G-Raid 1TB. NORTON. FCP 5.1.1. Shake 4.1. Sony HVR Z1E Mac OS X (10.4.7)
"I've taught you all I know, and still you know nothing".
Message was edited by: andynick

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