First, I don't know what "priortized" means in this context. But anyway, the Lightscribe, to my knowledge, is VERY slow. If it were me (and I have looked at this many times and might be buying soon), I'd buy the Epson for labeling. But if you are doing a run of CD's, I wouldn't do either. I'd send the master to Harmony-Central or or some other company. They do 50 for $59, plus shipping. About $80.

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Bill
Yamaha PSR2000