The Laughing Vulcan wrote:
I remember it took a lot longer for DVD to become established.
That's because DVD was a whole new format. Bluray is not. It's just DVD with slightly improved picture. People have become used to DVD now.
The process of DVD to VHS and the process of DVD to BD are incomparable. It's like collating the discordances between MS-DOS and Windows to the discrepancies of Vista and Win7.