Aero was about the only thing I enjoyed about my experience with Vista. What are you going to run on your system, just a general test bed? I ran into problems when I added Office beta 2. The funny thing is, I have been using Office beta 2 on my production desktop system at work for months without a problem. I was able to determine that all models of my DSL modems (Cisco, Zoom, Netopia and Visionnet) do work fine with Vista, via ethernet an even with the USB drivers. What is going to be a nightmare for me is tech support over the phone to help my customers relax the security enough to do what they need to do, especially those that want to set up a VPN.