Touchfreeze and other ideas were covered at http://forums.cnet.com/7723-19411_102-638695/my-cursor-jumps-around-when-typing-using-the-mousepad/?tag=rb_content;contentMain
Bob
As I type in any application my cursor jumps around which is a major pain. Many sites say that I am hitting my touch pad but this is not the case. At one point I downloaded some type of software which helped but apparently is no longer working. I have no idea what that software was.
Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic