I am starting to have some knee problems and am thinking about copping one.

Any thoughts/suggestions from those using one?

I think I may want to go with one of those riser gadgets that would allow me to lower to sit when I want.

They are just so freakin expensive and ugly as hell lol

the key to happiness is not being rich;
it's doing something arduous and
creating something of value and then
being able to reflect on the fruits of your labor