"Kevin R. Anderson" wrote in message
...
These guys are still working on Ball Varios:

Blue Sky Avionics LLC Official Homepage
Welcome to Blue Sky Avionics, LLC. We are a United States manufacturer
of flight instruments for a wide variety of Sport Aviation markets. ...
Description: Manufacturers of various styles of variometer as well as
supplying all kinds of glider avionics.
Category: Business Aerospace and Defense ... General Aviation
Soaring
www.ballvarios.com/ - 13k - Jan 25, 2004 - Cached - Similar pages

Yep, they've had mine to work on for nearly two years, now.

Tim Ward