On the BD blanks of MediaRange there are nothing to complain about. So far, no false fires, if I stick to the specifications of BD's and my soft / hardware. The only thing that I personally do not like because I will arrange the blanks in transparencies, is the fact that they are silver discs with a lot of labeling. The white "Full Printable" see as better off, are compared with the "Verbatim 43812 DataLife printable" but simply too expensive.