I found a nice explanation of the various options for facilitating the installation of printers — and specifically, printer drivers — by non-privileged Vista users.
http://blogs.technet.com/askperf/archive/2007/05/04/windows-vista-point-print.aspx
This blog looks like a pretty good resource. Here’s an article on Server Core:
http://blogs.technet.com/askperf/archive/2007/07/17/getting-started-with-server-core.aspx
