PC OS for 2008 and beyond

For the casual game developers, I think it is insightful to have a look on these articles:

Why choosing XP over Vista? and 2008: Linux’s year on desktop 

They state two trends on the PC OS market for 2008 and beyond:

1. The faster spreading Vista distribution is Home Premium Edition, not Ultimate nor Home Basic. For game developers, the main difference between Basic and Premium editions I believe to be the Aero interface and the XBOX integration on Windows Media Center;
2. Linux computers are coming for good with the spreading of cheap laptops. The main impact will be on 2009, but we should think on preparing our games to have Linux versions (and use Linux-friendly frameworks);