Garmin Rino

With all the talk about anti-collision devices, I've been seriously
looking at the Garmin Rino family (110, 120 and 130). These have been
mentioned a few times on RAS, but no one reported any experience using
them. Anyone out there use them? If so, I'd be interested in hearing
your experience and which model you think makes the most sense and
why. (Given that I have a Garmin 196, I expect I'd go with the 110 to
save money, but maybe I'm missing something.)

I realize Rino's would only be useful if the other glider has one, but
that could have been the case in the recent midair since both gliders
flew out of the same strip. Either everyone flying there could be
encouraged to buy them ($150 for the 110) or the FBO could rent them.

Thanks in advance for any help.

Martin