Ethernet hub, cables between the two.
You'll be able to file transfer, and if you run Windows Internet Connection Sharing, the Mac will simply work on the PC's connection.

the mac has the same function but if you've already configured the PC, then there's no point in messing up what works.

And, this topic really belongs in networking, since it's more about the network than it is about the powerbook.

Good luck getting your new machine! Sorry to hear about the edu discount.