http://www.peterlynnproducts.com/news/news.php?id=53
Here is a great intro . Answers all those questions + more!
I had a go on a Charger at NABX. The VPC3 system is what took me by surprise. I had not flown newer arcs and never flown one with the original VPC.
Now that I have been on the Syn I can't wait to compare again. The response to bar input was almost shocking for the 1st few seconds. :
The Arcs seem to look more and more like C kites every year!
Kites: 2.5m Profoil , Quadrifoil XL kitesurfer, NPW 5 Danger.
Flexifoil: 1.7m Sting, 4.9m Blade 3, 9m Blade 2.
Flysurfer : 19m Speed 2 SA, 7m Pulse
Peter Lynn :18m Phantom, 15m Synergy, 10m Synergy, 1200 Farc, 460 Sarc, 130 Tarc, 5m Peel, 4.2m , 6.4, 8.5 C-Quads, 3.5 LS2 single skin.
Rides: Flexi / P.L. Frankin'Buggy , Shaped + straight skiis, sand skis, Coyote blades. Core 95 ATB. RKB R2 ATB .
Ken (K2)