I have a Promise Ultra100 card which I moded to a FastTrak100, and I'm using two WD600AB 60GB 5400rpm drives as a RAID0 array. Both are master on seperate channels. When I benchmark it with hdtach, the average speed only increases by 2mb/s. By themselves the drives do 23mb/s, with the RAID they do 25mb/s. I was hoping for a bigger data transfer rate than that. Is it my drives or the controller or something else?