the H7 being a "brick on wheels" is subjective.If you are used to a buggy behaving in a certain way,switch the car and the other will automatically feel crap.Each car has its own driving style and thats why i never say a car is better then another based solely on performance.I have a story illustrating this.A fellow racer always raced an inferno mp6 and he left everybody behind at every race.I would give him the best driver award anytime.One day during practice he broke an a-arm and didn't have spare but a friend offered his jammin x1cr as a backup for the main race that day.Well he drove like crap and finished in a wall.Its not that the x1 was crap nor the mp6;its that he knew his mp6 and knew how to drive it fast so i really don't believe the "i test drove something and it was crap" thing.Some cars are easier to drive than others that is a fact but you can't tell which until you've spent some time with it.
On a side note being too light can be a handicap offroad.the smallest bump can be transformed into a ramp

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Oh and i have an H7