[Ed Zachary]

Using PDANet is probably the easiest approach. If you pay for it, you can go to secured sites. My stepson has it and it works like a charm.
I followed the steps over on xda and changed the user ID that is used for broadband DUN so it connects to the "normal" data domain, set up a dial-up connection to call #777.
The instructions can be found in a thread about internet tethering. The thread also has a download for a modem driver for your PC. That's the only thing you need to install.