Terminal Server in Windows Server 2003 is very good, in Windows Server 2008 it is truly great. I also found this very good blog, so I thought I had best share this:

Meet the Terminal Services Team Episode III

Summary.SeeThisOnC9

After walking us through some of the new features in Terminal Services in Episode I and II, Tad takes the show on the road in this episode. We visit with Sriram Sampath, the dev lead on the TS multi-user kernel. The TS team does some clever things in this release, including the way TS access local devices and authentication of users before creating sessions. Sriram spends most of the time at the whiteboard drawing up the kernel architecture.[Click to read the full post ]

It is also worth looking at the rest of the set:

  Meet the Terminal Services Team Episode III

  Meet the Terminal Services Team Episode II

  Meet the Terminal Services team Episode I

  Does your Terminal Server need a NAP?

  What is the Gateway up to?

  No VPN, No corporate access, Terminal Server Gateway says "No Problem"

  Your applications and Terminal Services Remote App -- A love story

  Your Browser or Mine, Terminal Services Web Access?

  Sneak Peek: Windows Server 2008 Terminal Services Overview

ttfn

David