Found two interesting Bluetooth devices.

http://www.hearwireless.com/soundport.html
"Utilizes custom earpiece for comfortable and secure fit."

Pops in your ear with a custom earmold, no over the ear hook, which is either uncomfortable or in the way of your glasses/shades. I have an HS820 because I already have a CIC hearing aid.

http://www.hearwireless.com/eli.html
"Connects to Behind-The-Ear (BTE) hearing instruments or can be used with custom hearing instruments via a special neck loop."

Too bad I can't plug it into my CIC. Maybe my next aid can have Bluetooth integrated!

Steve