I havn't had a CD not read ok in my Dreamcasts yet, they seem to have very good laser units in them, only thing I have had to do with a couple of Dreamcasts is tune the laser pot on it.
I have used plenty of different CD's brand grade and so on, I tend to use Grade 3 CD's for everything now though (Brand isn't importand realy, even cheap brand sometimes do high grade CD's).
2 out of 6 have needed a laser tune... 1 I spilt coffee on it, now it's dead, 2 went to my kid bro and sis, I only have 2 Dreamcasts of my own now but I do look after them all if they need looking at.
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