I used Emacs very shortly, only as a text editor. The learning curve is horrible -- my impression is that you need to memorize dozens of new keyboard shortcuts (and unlearn dozens of keyboard shortcuts more or less consistently accepted by many other applications, also clicking right mouse button for a context menu). There seem to be some interesting features, but again only for those who memorize the keyboard shortcuts. And the whole design seems like a character terminal emulator.

So the problem is that it looks interesting, but one has to pay a huge price ahead. That would make sense if I were already convinced that Emacs is the only editor and Lisp the only programming language I will use, but I just want to try them.

By the way, what exactly is so great about "the keyboard-only way of working"? Is it the speed of typing? I usually spend more time thinking about the problem than typing. Are some powerful features invoked by keyboard combos? I would prefer them to be available from the menu and context menu. Or both from menu and as a keyboard shortcut, so I can memorize the frequently-used ones, but not the rest. (Maybe this is possible in Emacs too. If yes, the tutorial should mention it.)

To me it now seems that learning Lisp with Emacs would be having two problems instead of one. More precisely, to make the learning curve even worse.