I've read that thread already.
And that thread, with relevant others plus your recommendation, convince me to carefully think about this Lite-On model's capability, not get stuck to its design.
By the way, what does it mean when some say that it is essential to upgrade the firmware? Do I also have to do that upgrading thing? If yes, can you give me the link to any thread that contains the how-to thing? I

Danke sehr