I'm not familier with the game your talking about, I just thought I'd mentioned how impressed I am with your dial up connection! When I had dial up, it would never stay continuously connected for more than a few hours. It would be a shame if that file turned out to be a waste.
I have downloaded many large demos since having cable, and I find about half the time they're missing a file, like yours, or worse corrupt.
Good Luck
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"Your right to swing your fist ends where my nose begins."