Hello Snides,
I love G-force, and it's the reason why I've implemented it in GpsarPro.
It's interesting for jibes analysis (the new jibe analysor module comes now with a max G-force column for each jibe), and you can see some current work about jibe analysis including G-Force in a french :

Full discussion is here :

http://windsurfing33.com/forum/viewtopic.php?t=25125

And here is an exerpt of it :




Besides, I've applied it to winter carving activities last winter, and got that :

gpsactionreplay.free.fr/forum/viewtopic.php?t=167