#6, I can only look at the numbers I can personally confirm - from among my own customers:
97.3% of customer computers used at home are running Windows 7, or Windows Vista.
Just over 70% of all business computers we manage directly run Windows Vista, or Windows 7.
100% of customers have replaced some of their Windows XP machines with Windows 7 and all plan to continue their replacements until completed.
Where XP is still used, it is on older secondary, or tertiary machines used as downlevel Internet terminals as Latch's Facebook observation suggests. These are aging rapidly and plans exist for most to move up to small, lighter weight Windows 7 based slates expected this holiday season. Chairside terminals now running XP embedded are scheduled to receive upgrades this year - running Windows 7 embedded.
Office 2010 and SharePoint 2010 are also very popular and upgrades are in progress for these as well. Smaller businesses (usually specialized accounting and legal firms with fewer than 10 systems) have all moved to 7 and Office 2010. Engineering firms have been slower, as costly upgrades to AutoCAD and its extras, required new versions - so as support contracts expired for those, new i7 based systems with 7 and Office 2010 were ordered. This upgrade cycle has accelerated greatly, as i7's on 7 x64 and the DirectCompute API leveraged by Nvidia within CUDA allow AutoCAD work to be performed far more quickly than before.
WS08 adoption is even faster - especially RemoteAPP implementations of previously Remote Desktop Services (RDS) (Terminal Services under W2K3 Server) - banks and medical practices lead here, where DWM desktop composition at the client allows Vista/7 to shine and lift a lot of load from host RDS systems - it also provides desktop functionality for terminal apps (e.g., the app without a hidden desktop being rendered in the background and without the asynchronous load associated with compositions remote users never even saw). Jack Henry, OD/MD Pro from EMR, and OrthoTrac are relevant examples in such cases. Users love it!
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