Assuming both devices have a network card, a simple length of crossover cable will allow you to create a network between the two systems. You can then move files to and fro to your heart's content. Just know that it will ONLY work with files, you can't move programs between systems. All in all, it should cost you around 20USD or less.
Should you need a network card for one of the systems, those are cheap (another 20USD or less) and easy to find. So long as you have some way to get on the Internet, you should be able to download any drivers necessary.
I have a new Dell XPS 410 and an old Dimension. I bought PC Mover to move my files, etc., from the Dimension to the XPS. In the meantime, my CD drive on the old Dimension stopped working. So has my floppy. Now I am just lost as to what to do. I can't install PC Mover to the old computer, so I can't use it. Anyone have any ideas that won't cost me another fortune? lol
Thank you and HELP!