Hardware Secrets posted an article on the main technical differences between the two main candidates for the DVD succession: Blu-Ray and HD-DVD.

Blu-Ray and HD-DVD are two new optical storage technologies that fight as the successor of DVD. In this article you will learn everything you need to know about these technologies, including the motivations that lead to the creation of both. Is it really true that DVD has its days counted?

Blu-Ray vs. HD-DVD