aftermarket suspension seat?

[wushaw]

</font><font color="blue" class="small">( Anybody ever used an air suspension seat? Any idea as to how they work/what the big deal about them is?
[img]/forums/images/graemlins/confused.gif[/img] )</font>

Yes but not on a tractor. They require a way to air the bladder up to your desired ride height, there is a shock absorber to reduce the springy effect.
And yes they are very comfortable and take up the bumps very well.