Unfortunately, I don't think Microsoft has provided a new release of SYSPREP that is compatible with SATA drives. At the moment, any flavor of IDE or SCSI is definitely compatible (Although when you use SCSI it gets a little more complicated). I am assuming MS will publish another version of sysprep (or a patch) that will address this issue.
I think the biggest issue is getting the HAL compatible with all of the SATA drives.
Great question though, I am interested in seeing the outcome.