BTW, for OS X guests converted to SATA, be sure to select the startup disk in the *Fusion VM settings*, as the startup disk selected inside the OS X System Preferences doesn't seem to stick across reboots; otherwise, it will first attempt to start up from "EFI network", which adds some seconds to the total boot time.
Still a mystery why the SATA HD appears as "extractable" (with orange icon) in 10.8, while it is an ordinary internal disk (with grey icon, as it should be, and as it was with SCSI) in 10.7...