Let's pick ONE site and keep it absolutely up to the minute

I'd go with Airnav.

While it's true I haven't used any of the others, Airnav was first, and
has always been there. That counts for a lot. True, it did drop some
FBO listings when they didn't pony up, but I think that's been fixed.
Competition would have to do way better for me to switch.

That said, I'm not going to Osh, so I'm just an opinion, not a
datapoint.

Jose
--
There are two kinds of people in the world. Those that just want to
know what button to push, and those that want to know what happens when
they push the button.
for Email, make the obvious change in the address.