Originally posted by rick
I know there will be a 4 port SATA raid controller available soon that will support all major OSes, Linux, Unixware, SCO, etc 
the main problems SATA solves is the cable length issue and the IDE bus sharing issues. since you can only attach one drive per port there is no sharing of available bandwidth on that port.
ABIT has SATA RAID mainboards out already, I was peeking at them last night. At ~$100, it's looking pretty good for small database and web serving.