Leon's tip is well advised. Like in many industries, over the last 15-20 years, there has been quite a bit of consolidation in the hearing aid marketplace, with there really being only a handful of manufacturers selling probably 10+ brands.

The Siemens/Hansaton relationship is one example. I really can't keep track of the others, but nearly every well-known instrument (that's what they call them) manufacturer, has at least one lesser known brand, but with very comparable technology, maybe smaller range of product line, and typically a lower price.

-Scott