I still have 4-5 sets myself. Something that never gets talked about is it's ability to transform itself into any configuration you want. I even use it as a "T" stand (one vertical bar on each side and a single horizontal bar going across for the keyboard. It doesn't get much simpler than that.

I called the USS company last year to ask why they discontinued them. The answer was: IT WASN'T SELLING WELL....PEOPLE WANTED A DIFFERENT DESIGN. Figure that one out!