I’m pleased to see American inventiveness is still alive and kicking. Buying American from the shop next door is a plus, but if you feel more adventurous why not sail to China on e-bay, another proof of American inventiveness?
http://www.ebay.com/sch/i.html?_trks...at=0&_from=R40
If times are not too hard for a few extra $$ you will find reliable WH series.
They should have directions for use written in English. If it is not the case all is not lost, see a demo on
http://www.youtube.com/watch?v=9mGT4av5n3o and directions for use translated into English on
http://www.e-bookspdf.org/download/wh7016-manual.html free loading of documents.