Layer8: "We've all fell victim to Windows 7 slowing down, but for some of us, our computer hardware is just not up to scratch to run Windows 7 in all its glory. These 15 tips should get that old worn out hardware kicking again, try them out and see for yourself."
more ram
and memory and program management
thats all you really need
registry tweeks can give vast performance boosts.
virtual memory works for older specked computers.