If you can - wait for a PC Upgrade until then. Get a New Intel Dual Processor and Longhorn at once. It will make all the difference really and for best Longhorn use you'll want a new Computer of the Time.
A Knight is sworn to Honour. His heart knows only Virtue. His blade defends the helpless. His might upholds the Weak. His word speaks only truth. His wrath undoes the Wicked.