Vanderbilt and the Yeggman. Vipers. Vigor, the Hammersmith wonder.

I can go into more detail about this, if anyone's interested

Yes, predictably I am most interested!

(My guess would approximately match secondhand_rick's. Also there needs to be some kind of reliability-based bonus, otherwise there's too much incentive to spam questions about which you know nothing with complete guesses. Possibly a 10-cent buy-in or something.)