sierra wrote:
I welcome comment on the following combination of instrument. One audio
vario, logger such as
Volkslogger, PDA and Winpilot .
Sierra

I doubt you'll get any useful replies unless you say both what you fly
and what sort of flying you plan to do.

You proposed setup is overkill for local flying and probably inadequate
for contest flying. I'm assuming of course that you also plan to have
an ASI, compass, and altimeter.

Andy