Usually using a CLEAN install of the 3.2.2 version is good. This has been the stable version for a while, and NO new versions are coming out. Magitech is the ideal tech tree since others you should be sure to use the same link (check your version numbers) to download.
Yes, GAE is better multiplayer, but it isn't stable enough (ie: doesn't work for me right now, hope to mass update this Xmas to fix). Be sure to disable the consistency checks in the INI to allow crossplatform gameplay. Sure it says it CAN get out of sync, but will it? I see no reason why it should.