it'll wear out just as fast as a cdrom drive will. there are different lasers for reading and writing (I'm 75% sure on this one) <BR><BR>oh, and pc world has not been a good source for about the last ...
Remeber that Mythbusters episode where they tested if CDs could shatter in drives? Well, I don't remember their exact conclusion, but I can now say from personal experience - myth 100% ...