"They might risk getting sued by Microsoft or some Unix folks in
the coming months for mimicking some proprietary features or patent
infringement, but if everyone keeps their cool then it is as wacky
as it is brilliant. Here is why.
"The operating system under consideration, ReactOS, is based on
the earlier versions of Windows. Hence, it is not really directly
competing with Vista or even XP. Hence, we wont be seeing it
running on modern PCs anytime soon.
"The PC world still has hundreds of millions of old PCs being
used around the world dating back to the original Pentium machines
when Microsoft's Windows 95 actually came out."