Windows Server 2003 as a Workstation
When I used Windows 2003 as my development machine I first saw a performance increment. On very system reinstall registry is not so "fat" and you don't have a lot startup programs..
But osnews.com in Windows Server 2003 as a Workstation: Great, But Not Unconditionally confirmed me with numbers and comparing with other os.
A new life for my IBM T22.. ;-)