It would depend on the style, ornamentation, condition, original labels intact, etc.
I have seen the elaborate 3 tier pineapple ones (they have the dishes on 2 levels, a large ornate pineapple on the top level, and a lot of carving along the rims of the levels) bring between $100-$150. Smaller, less ornate pieces seem to bring much less.
Personally, I believe that the Monkey Pod items are undervalued and would hold on to mine. These pieces are beautiful and all it will take is for someone to feature them in a magazine and they will be the next "hot item"