Better, yet, go with a scsi raid 0.. talk about blinding speeds!
http://www.computerbits.com/dept/classifieds.html
about a third down that page someone's selling a scsi raid controller for $75... I havn't looked into it to see if it's a quality model, but it's made by Intel, and that's definetly a great price, no matter the quality. If I had any money to buy the scsi drives, I would jump on this in an instant.