I have an old IBM Thinkpad T20 with 512MB Ram running Windows XP Pro. I like my little system and really can't afford to purchase another anyway. I generally was using this for minor stuff and didn't care too much about the speed. But I would like to be able to speed the system up as much as humanly possible. I've already rebuilt the system. I was thinking that maybe I could use a large swap file to compensate for the lack of RAM, but I've heard that really doesn't work. What can I do to bust up this system that doesn't require the purchase of new hardware?