[GreenNight]

With friends we do the same when we meet to LAN play. We copy the games into a USB stick and pass it around. It's waaaaay quicker than downloading from steam, and quicker than copying through the local net.

If you know the right folder you just copy it there, buy the game if you didn't already have it, and just wait a little for it to check the integrity of the install.

This article has me almost wishing to start a data courier service. Flying around the globe transporting data.