Mine mounts feels like rubber bands
There is by the way a difference when the car accelerating compared to the reving on neutral.
When reving the engine on neutral the force which revs the engine isn't nearly the same than when on heavy load like accelerating - way less gas is burnt. The force which is applied to the parts after the clutch directs the force generated by the engine to the engine mounts.
When down shifting from high speeds the effect is reversal - of course this works from low speeds as well, doesn't feel though.
Maybe you Kostamojen have your mounts on better conditions than mine, but I can feel the engine nodding fairly heavily when full throttle accelarating and switching form 1st to 2nd.