From CNET...
By Jon L. Jacobi
(August 11, 2003)
What is Mount Rainier? If you said a peak in Washington State with the potential to ruin Bill Gates's day, well, you'd be right. (It is an active volcano, after all.) But in CD and DVD circles, Mount Rainier is a new packet-writing standard designed to make rewritable optical discs as easy to use as the venerable floppy. You remember floppies, right?
The Mount Rainier Group, which is promoting the technology, includes Microsoft, as well as storage heavyweights Compaq, Philips, and Sony. With this much industry muscle behind it, you'd think Mount Rainier would become an overnight, de facto standard. But it hasn't; thanks to conflicting corporate agendas, final implementation of the standard remains elusive. Mount Rainier calls for seamless drag-and-drop functionality natively supported within your PC's operating system, and so far, Microsoft has yet to comply. So while most software vendors already offer Mount Rainier support, drive vendors have yet to fully implement the standard. The latest scuttlebutt says that an upcoming Windows XP service pack will include formal Mount Rainier support, but Microsoft's lips remain tightly sealed on the subject.
In an attempt to cut through the hoopla, let's take a look at the current state of the technology.
http://reviews.cnet.com/4520-3000_7-1019058.html