Vista revisitated

I've been using Vista since the early betas. I use Vista on my desktop at work - this is the one I use the most. But I also use XP on VMs and at home. And of course, Windows 2003 Server. And though I'm not on the list of the disappointed ones - I'm quite happy with it, it just stroke me that on my daily XP and Windows 2003 usage that I don't miss that much most of Vista's features. And that is troubling...