I kind of like Clojure but several things I find a bit disturbing: 1. A very subjective one - not enough parenthesis - take fo example "cond" operator - it accepts pairs condition-operation without extra parens around each pair. Well, it looks nice for small "cond"'s but for bigger ones it is both inconvenient and error prone - if off by 2 exprssion, fo some reason - yo'll get completely crewed up behavior. There several other syntactical things I find artistically impressive but technologi cally justified. 2. Another thing - I miss "setf" - in somke places mutability can be a way for smaller code especially in case of VM without tail-recursion. 3. It is way biased towarda concurency, it was in fact engineered for concurency - well I sometimes a lot more dirtiy but fasterr solutions. 4. I think that great attractivenes of Lisp's is that you can craft your own in less then a month. No pain with lex/yacc, antlr etc. Just make a simple reader and focu on semantics.