We love chalices, too, and have found Aqua SD to have a big assortment at very competitive prices. Watch for their sales. (20% off Labor Day sale ends tonight.) Shipping is $30.I have considered it! I don't always trust independent sellers though.
There are a few sites which have some nice ones. WWC, Cherry, Tital Gardens, Boom all have reasonably priced ones right now. Shipping gets me though. I'm looking for one source with several.