I finally got off the bench and mailed off my old polishes to do the Zoya Earth Day Exchange. It's still going on, I don't know for how long. I just found a shoebox of old polishes from a K-Mart gift pack under the bed, so I will be going for round two.
Zoya Exchange here.
I traded in 11 old polishes. The new bottles cost $3 each, shipped. Regular price is $6 before shipping. The only one I didn't like is 'Elodie'. It is a bit too bright for me. I've already traded it at Makeup Alley.