FaceUnderMask
Warlord
You may not want to use the exploit in The Mechanics of Overflow Inflation but you should consider the mechanic behind it. As you beeline your science based techs you can use legitimate beaker overflow to speed your way through the lower techs you missed.
Try playing as Babylon, an academy(real free GS) on researching Writing will get you through the ancient/classical tech tree in no time.
Even though you may have your entire empire connect via rail I find airports in your capital and your SS building cities to be most useful, especially if one of those cities is an annexed production power-house(the AI seems to love making manufacturies).
Checked the link.
This is cheesy, boring and unsatisfying in one way. And absolutely amazing and fascinating in the other. Would definitely try it.