The Shanghai Maglev isn't much more than a novelty at this point. Originally it was a somewhat useful way to travel to the airport instead of a bus, but now that the metro runs there that seems to be the better option (you don't have to deal with the maglev transfer or with buying another ticket). They had planned to extend it to Hangzhou, but the high speed rail between Shanghai and Hangzhou ended those plans.

did it really pan out if there are so few of them?