Although straightforward Governor gain Gold - remodel Gold is pretty fast, and probably correct, I'll propose a more off the way answer - Governor/Highway.
In this plan, I'd say, Swinder/Silver into Counterfeit on first $5, then Governors. Use Governors exclusively to draw cards, Counterfeit gives you the +Buy. Ideally, get to 3 Highways, which lets you remodel Copper or Estate or Silver into more Highways and Governors and Counterfeit. Making sure you only play 3 Highways a turn, collect all the $5 cost pieces you can, since they can only trash their Coppers for Bridge/Salvager. Then, play the rest of your Highways and use your 1x Swindler to wreak havoc, building up to a megaturn.
Problems: takes a long time to set up, you probably won't have time to get Nobles because you either sacrifice a Governor/Highway buy or allow others to trash $0 -> $5 cost with 4 Highways in play, having to play only 3 Highways per turn means you'll accumulate "junk", heavily accelerates everyone else. Most likely, the Governor-Gold player will be able to use Counterfeit to get a thin deck, then ignore the Highway thing and Counterfeit-Gold to get lots of money.
Well, it's neat, and in the super-hypothetical of very large VP piles, the ability to Swindle Provinces into Copper with 8 Highway and/or Bridges in play would let you catch up, but I think by the time you get there, the game will have ended twice over.