So my Uncle decided to unload his humidor on me...

[shilala]

If it means anything to you, the Quinteros are Cubans. They might be a bit more salvageable than some of the others.
They're an inexpensive, half-decent stick. I'd bring them up to about 60% RH and smoke one to see if they're worthwhile. It'll take a couple months, so be patient.
The rest, I'd probably just chuck them. That's only because none are to my taste. I think your idea of tossing the nasty ones, cleaning the others up up, and trying them out is probably best. If they smoke lousy, then you can chuck them. You have nothing invested, so you really have nothing to lose, right?
Good luck, and please let us know how it all works out.