What is a good, smaller, extractor?

We are looking a carpet extractor but we really don`t want one of those huge ones. What would be a good but yet smaller extractor?

Thanks

Mytee has a full line for semi pro`s and weekend guys. I have a Little Green Machine that I use for cars but its limited in use

Look at this one
http://www.detailsupplyoutlet.com/item.htm?item_num=61