[agumonkey]

as I say below I agreed with the change of interface impacting user perception of apl.

I use a HP48 pocket calculator, that comes with Lisp/Forth (RPL to name it) system. The interface is live interaction with a stack and a bunch of direct screen shortcuts.

I felt it was almost as fun as using emacs with a good lisp configuration. All this with a handful of keys and one level deep keyword folders. I'd bet a dollar that the same thing with an APL system would make people enjoy the language right away.