By far the best way is to use an ethernet crossover cable; as long as both machines have a network card, just plug the cable in both ends and boom, you're set. Of course, this means you have to have a machine to plug that IDE hard drive into...
If this is something you do often, consider getting a USB or Firewire hard drive external case - you can just plug the drive into the case, which is connected to your laptop, and boom, you've got yourself an external drive on the laptop and you can copy files to your heart's content.