No drive can read unfinished packet written discs unless it's got a driver for the UDF filesystem installed. You can't packet-write an audio CD, and packet writing is slower than regular mastering. There's more information on packet writing in Adaptec's DirectCD FAQ here . Data Extend is backup software. I wasn't about to spend time doing backups to find out how good it was.
Nobody seems to use it.
Maybe it rules. If all this isn't enough, you also get a multimedia CD-ROM tutorial. I'd tell you what it was like, but, to be frank, I took one look at the install window, and then slowly and carefully removed the tutorial disc and put it away again. Setting up Installing an IDE CD burner is simplicity itself. The basic setup is no harder than installing an IDE CD-ROM drive.