Not using the analog cable takes up more CPU cycles, but with CPUs today, those cycles will nver be missed. Yeah, the DVD burner should alwasys be the master.
Asus P4C800 E Deluxe
2.6c P4 w/ HTT w/Thermaltake All Copper
1024 MB Corsair
Two 120Gig 8mb cache 7200 Special Ed. WD in RAID 0, 40Gig WD
Lite-On DVD, Lite-On CD burners
Built by ATI 9800 Pro