So, What about Mac OS X Server?

[nbauman]

http://duncandavidson.com/blog/2010/11/osxserver-future

[cosmicray]

OS X server will survive. Much of server also exists in client (i.e. they have a common subset of software). It may even be recompiled for other architectures (thus far OS X has been compiled for PPC, x86 and ARM).

[alexknight]

Interesting and had not thought about OSX server. I agree though that the future of that particular OS may be uncertain at this point.