> various other new-to-me languages in the past few years Here's your answer: new-to-you, yet very similar to whatever you knew before. Try Oz, Mercury, Lisp,

> various other new-to-me languages in the past few years Here's your answer: new-to-you, yet very similar to whatever you knew before. Try Oz, Mercury, Lisp, Forth, Avail, Red/REBOL, Clean or J to see how little you actually know about programming languages. I don't mean this as an insult, it's just that PL design and research is a HUGE field with people devoting all their academic careers to it; it's only natural to expect most of such a field be unfamiliar and inscrutable if you're not working in it.