...The pitch axis is ahead of the main gear, so as you descend to last 5', the mains pivot away from the asphalt (relative to the fus)...
This technique has been talked about quite a bit but when you work out how much you move the wheels in the vertical plane by doing this, it comes out as inches over a few seconds: not likely to make much difference. I think what might be happening is that you are touching down at a lower pitch attitude, so when the ground spoilers deploy there is less of a change in lift and not as much for the oleos to absorb all in one go; also, by the time the GS do deploy, most of the travel has been used up. Watching aircraft land from the holding point, you often see what appears to be a perfect touchdown spoilt by spoiler deployment as the plane sits down on the bumpstops...
My theory is that in many aircraft, the smoothest landings result from having a certain (low) rate-of-descent when you touch down, which is progressively removed as you sink down on the suspension, leaving the airframe at rest in the normal axis w.r.t. the ground and at the 'taxiing' level of extension on the oleos.
