I just received my OWCMEFW924AL2OB drive enclosure in the mail. I'll be getting 2 Seagate Barracuda 7200.10 ST3320620AS 320gb drives next week. Currently the enclosure only supports raid 0 which I'm not really interested in. I want to use these drives primarily as back-ups for my PC and my MBP but I'm wondering if anyone uses fw800 external drives as scratch volumes. Additionally - has anyone used a Raid 1 array as a scratch volume and if so does it work or does the extra data being sent negate the benefits of such a setup?