[Sheap]

By the way:
You do not have to be connected to the server to play your turn, only to upload and download. It's basically the PBEM procedure, only without the EM. I usually use this process:
1) Connect to server, download turn, get to map screen
2) Go to options and choose "quit without saving"
3) Choose "play existing game" - your game should appear.
4) Play the turn normally and hit "end turn"
5) You'll be returned to the main menu.
6) Connect to the server, choose nation and put in your password if prompted. It will say "2h file has been uploaded."
7) Congratulations, you played your turn offline.

This has some advantages such as, you can play your turn on a laptop, over flaky dialup, if the server is down, saves money if your internet is metered per-minute, etc.