Air,
I started with a 4m Blade III - it was a great kite. I kind of wish I kept it.
It really got aggressive/violent in high winds!
Maybe you can try to buy his old 4m?
Foil Kites: Flysurfer 12m Sonic 4, 10m Soul V2, Peak 5s and 5.5m Hybrid
LEIs: 9m Naish Pivot, 12m Naish Phoenix
Land: 16" Dirtsurfer GP
H20: 134 Shinn Monk Chromatic, Slingshot 103cm Hope Craft w/ Axis Spitfire 840