Ever purchase a certain brand of CD-R's and they burned OK, then re-purchased the same brand and you had trouble burning?
Turns out that only a hand full of manufacturers in Asia make the CD-R's and companies like TDK, Imation, Maxwell just put their name on them (Private Labeling)
A company may purchase from one manufacturer one time and next time from another.
Get this small program called "CD Identifier v1.63"
http://www.gum.de/it/download/english.htm
Put a blank CD-R in your drive, run the program and you will get ALL KINDS OF INFORMATION ABOUT THE CD-R.
ENJOY!