WTB: Campagnolo 10 speed rear derailleur and chainrings or crankset.

I am looking to buy a  used 10 speed Campagnolo short or medium cage rear derailleur and chainrings/crankset to get my steel road bike up and running on ten speed.

For the derailleur, I'm looking for a good deal, something cheap that is functional, I don't care which specific model as long as it is a 10 speed model, functional, and short or medium cage.

Chainrings or crankset: looking for campagnolo 53/39 rings and if part of a full crankset 175mm to 185mm crank arms. For the rings only used is fine, worn out is not. I'm only really interested in a full crankset if it's in pretty darn nice shape. Looking for a good deal, not looking for super high end expensive stuff.