Well in my case, there is a guy working for me and he needs to transfer files from a desktop to a laptop. They sit 5 feet away from each other. So I could try the ethernet cable BUT I think he already had one that was specifically for the purpose we're discussing and he couldn't get it working...Is there any type of software that would help aid the ethernet connection, and the communication from computer to computer?
Or, maybe try the usb cable with a bridge chip like .Sup mentioned...
The guy did say it would be nice to have his own "Private Network" communicating between the two computers. This would have to be done over my local wireless network so couldn't he just have both of the computers on the same Windows Workgroup, and would they be able to communicate?
Also...He has a shit ton of programs for anti-virus, anti-spyware, blocking programs...I told him, if you want your computers to communicate, you need to create exceptions, or disable that shit.
Nature is a powerful force. Those who seek to subdue nature, never do so permanently.