This brings up a good point and a place where I'll jump in. The idea that flex is the end all answer to wheeling is backwards thinking. That technology and thought process has been around for 30 years and has been tweaked to the point that it is at it's peak of capability.
Taking a solid axle and being able to force a wheel ,that otherwise might be in the air, to the ground in an effort to gain traction is just not the noblest way to look at it. A vehicle has X,XXX of force to apply to gain friction and therefore keep the tires sticking. To keep things simple, if only one tire has enough downward force applied to it and enough torque applied to it via the drivetrain then at that point the vehicle with move, again putting it simply. In that same situation, if the suspension is forcing the spread of that downward force that friction coefficient is not going to be as high.
So just because you have heard all of your life that SA are the way to go and IS is crappy. Don't believe it. Even mighty solid axle king Jeep has put IFS in theirs and look at the Hurricane concept with it's unique fully independent suspension that Jeep says is unstoppable.
With the traction control systems of both the H2 and the H3, if you get a wheel in the air you can ride your brake and stop the loose wheel and apply all of the torque to the wheel with traction instead of splitting that torque to a wheel that doesn't have as much traction.
A vehicle is a sum of its parts. To debate the singular components of one over the other is moot unless you tie it to how it all operates as a whole.
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