I can't find dvd-r dual layer media so i guess it is not available yet. Is it on the way? Also will a plextor 716A write to this media when it is available?
It's still on the way. Probally we will see limited supplies of Verbatim in the next 2 months.
Yes and Yes.
Here is the most up to date article I could find. It is straight from Mitsubishi Chemicals so I guess it is reliable info.