Windows

you can do all of this with scripts that call Reg.ini files. All you need to do is find the appropriate keys and export them, rename them to named_whatever_you_like.ini and call them.

Now doing this on more than one machine will be ugly for the Computer naming portion, but the rest is easily managed using reg.ini's

You can change these items via a script. There are lots of sites available to help. Two locations at Microsoft to start with would be:
This would be for resources
http://msdn.microsoft.com/library/default.asp?url=/nhp/default.asp?contentid=28001169
This would be for how to's:
http://www.microsoft.com/technet/treeview/default.asp?url=/technet/scriptcenter/default.asp

You can change these items via a script. There are lots of sites available to help. Two locations at Microsoft to start with would be:
This would be for resources
http://msdn.microsoft.com/library/default.asp?url=/nhp/default.asp?contentid=28001169
This would be for how to's:
http://www.microsoft.com/technet/treeview/default.asp?url=/technet/scriptcenter/default.asp