The Dual Layer CD-ROM is quite common component of our PCs, but do 8.5 Gb DVD-RW media really exist?
I can only find 8.5 GB DVD-R (read) only on sale.

I can only find 8.5 GB DVD-R (read) only on sale.
Quote from WallStWiz78:
Here's what you guys are looking for... DVD-RW DL.....
http://www.gizmodo.com/gadgets/peripherals/storage/jvc-develops-dvdrw-dl-038034.php
Quote from WallStWiz78:
By the time this crap comes out with DVD-RW DL disc and drives, the Sony Blue-ray disc and the 1.5 Terabyte disc would be out. One 1.5 TB disc is equivalent to about almost 320 DVD-Rs. Impressive isn't it? That could make way for the future of the entertainment industry. Think of what that means for movies... a holographic movie right in your living room instead of on a screen. Its now possible to think of such a thing because there's enough space on a single disc now to store that kind of information, which was not possible with a 4.7 Gb DVD.