If I got down voted so many times just for this comment clojure sure must be a fine language.But I am still not going to learn it just because it targets the JVM. But maybe some day I will forget the 3 sleep less nights I spent rewriting the project in ruby or the A- I got where I had expected an A++, and try to look into clojure.
I think the fact it adresses the JVM is a nice thing that allows you to get away with writing Lisp code when your corporate overlords demand you to write Java code. ;-)
Now, more seriously, it seems a rather useful Lisp that somewhat deals with the problem of partial/buggy/worksforme library implementations by using the huge Java class library.