I have a MDD dual 1.25 powermac. Would a sata drive be quicker or would a raid 0 be quicker? Right now I have a 5400 rpm IDE drive running 10.4. I have two 40GB hard-drives laying around I could use for the RAID. My powermac G4 has sata via a sonnet sata card(buy one, it's verrry nice) FYI.