This may help:
ftp://216.122.86.174/notebook/ That is from
www.ctxintl.com Find your model number and look under the listing for that series. I saw an "eztouch.exe" listed under several model series that I'm assuming is the touchpad driver.
Yeah, I'd be wary of buying a laptop from "the monitor specialists" if I was you. After all the hassle you have had simply trying to use a PS/2 mouse, I think I'd look for a different laptop if I was you! If you aren't looking to spend a whole lot, try
www.intellesale.com I've been thinking about saving some cash up and getting one from them for a while now. They have some great deals in their "clearance sale" section if you don't mind a scratch, crack, or broken hinge.