> (Note: I'm not saying you should use LISP productively, it's something you should learn for the heck of it, not to actually use it)

Well, I do, and I have to say that it can be done. It isn't a road often travelled and it results in people making remarks about your language choices, but as long as my software works, its development is fun for me and my co-coders do not complain, I don't think anything is wrong with my setup. :)