I just ordered A box set with MM 6-9 and I have an HP laptop that is almost brand new, obviously running Windows 7. I also just dusted off my old HP Pavilion 7800 ( purchased in 2000 it has a 700mhz Intel Celeron processor, 20gig hd, 256mb ram, running Windows XP Professional). To my surprise the computer is still running very well even better now that I serviced it a bit. My specific question is: Will either of these computers be able to run MM? If both are able to run the games is there any reason they would run better on the older computer?