Level where you first face the A-10, amirite? Awesome game for the time, especially those videos running on a 486 with 8MB RAM. I've got the high-quality audio CD versions of Frank Klepacki's soundtrack if /ether wants ...
Afraid I don't go in for multiplayer though. For anyone who does, I've just discovered that CnC Gold was released as a free download:
http://www.atomicgamer.com/file.php?id=63399 (GDI)
http://www.atomicgamer.com/file.php?id=63401 (NOD)