Yup, SATA just makes more sense for desktop and workstation systems. Now with the 10krpm sata drives there's even less reason to look at SCSI. Sure the Raid0 15000 rpm scsi array is faster than the Raid5 7200 rpm sata array, but only by maybe 20% on average (access times aren't that much faster, so the read advantage isn't as significant when reading small blocks of data)... and at an 8x cost/gb difference.
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