Just came across an interesting article from GCN (Government Computer News), quote:
“It’s a victory that performance didn’t drop from XP, which we still consider one of the best operating systems out there. The fact that Windows 7 increased performance slightly across the board is pretty amazing…”
Read the full item here: http://gcn.com/Articles/2009/07/27/GCN-Lab-Windows-7-Performance-Tests.aspx