"Regardless of what the naysayers and haters may say, a modern Windows OS is
just as stable as any Linux or MacOS boxen."
I'll throw in my 2 cents and agree with that last comment. Technical people
will argue technical merits and statistics in their technical vacuum and
there is "nothing wrong with that".
But from a single real world perspective (mine), I am a middleware
administrator/developer for a product we have running on both Windows and AIX
and I accept a weekly reboot for the Windows boxes and a monthly reboot on
the AIX boxes to keep our environment stable. With that said, overall our
Windows boxes give us much less grief. The unplanned outages may be more
frequent in number, but they are shorter (typically a reboot), cost less to
resolve, require less consultants, and quite frankly, it is much easier to
interface with the Windows staff(but enough about me).
One comparison is the eight-way AIX box that runs three of my servers and is
definitely at capacity. This load could be easily handled by three Windows
boxes. We've made some expensive decisions for the AIX systems (external SAN
storage with redunant fiber which also cause their own problems and outages),
but the end users and the business don't see any additional benefits as
compared to Windows.