As I mentioned in another thread, I recently bought a program called "Phantom Disk" (only $20US!) that does something extremely useful for people who regularly burn disks: It creates virtual blank disks, such as DVD-R or BD-R, and then mounts them in a virtual drive which Windows (and thus all programs that burn disks, such as PD12) sees as a drive with a blank disk in it. Now you can try out your disk ("preview" within PD12 is useful, but it's an emulation) without possibly wasting actual disks. Then, if you like it, just copy it to a physical disk!
It emulates just about any kind of disk you can name, including BD-R/BD-RE (single and dual layer), every DVD variant you can name (-R, +R, -RW, +RW, single layer, dual layer, etc) and CD-R/RW.
I've been looking for a program that does this for a while, such as TotalMounter (very poorly reviewed, buggy and doesn't work with Windows 7) and Daemon Tools (supposedly does what Phantom Drive does, but their website doesn't mention this feature). Phantom Drive does the trick very well!
And no, I am not affiliated with that company at all. It's just a very very useful program for people that burn disks on a regular basis, whether it be for video, audio or whatever.
Toodles!
Russell1967
p.s. You might be thinking that a program like Virtual Clone will do what this one does, but it doesn't. It just mounts already created ISO files (which Phantom Drive can also create if you want). Supposedly MagicISO or PowerISO can do it, but they cost a lot more and I have not been able to confirm that they can actually do the same thing as this program.
Sorry for the long post, but this program is THAT useful, at least to me. System specs: Windows 7 Professional x64; Gigabyte Z77-DS3H motherboard with i5-3579K 3.8Ghz processor with 32GB RAM; Zotac GTX 760 w/4GB; 1xWestern Digital 1TB 10,000RPM HD; 1x Samsung 840 Pro SSD System Drive