Don,
like you, I wonder how much longer I will be at this and the thought does cross my mind that what ever keyboards I own they might very well be the last ones. I sure can't buy into an over weight system unless I just plan on letting it sit at home on a stand. In many respects the Korg has done a good job with the PA4X in terms of size and weight.
One of these days we might get over your way and visit.

Deane