Thanks - I used Gnumeric on a netbook for a long time. It was indeed a good choice at a time when I needed something very lightweight. I do recall it being quit

Thanks - I used Gnumeric on a netbook for a long time. It was indeed a good choice at a time when I needed something very lightweight. I do recall it being quite limited, however... I'd be pretty surprised if it had more of the features Joel Sposky was showcasing than Open/LibreOffice Calc.