Windows 7 is More Than Just a Windows XP Virtual Host, Part One

Hard Drives' 2011 Sector Shift May Slow Windows XP Use
If you're still using Windows XP, you may be in for trouble in 2011, when all hard drives must move from 512-byte to 4KB sectors.

Ubuntu Beats Windows 7 and Windows XP by a huge margin
Flexense: "But, what about the operating system – which one of modern operating systems is capable of utilizing fast hard drives and multi-core CPUs most effectively?"

Repair Windows XP Installation
Step by step Microsoft Windows XP Repair Install instructions.