It's a shame IKEA doesn't make the Jerker desk anymore. I have one, and it's probably the greatest desk ever made. You can configure it as a standing desk by unbolting and repositioning the desk on the legs.
If I could have found a good ergonomic chair that elevated to standing desk height, I would have loved to continue using it. At the time there were drafting chairs, and task chairs or task stools that would have been at the right height, but nothing really comfortable or ergonomic. Wonder if that's changed now.