I have asked this question on twitter as well the #clojure IRC channel, yet got no responses.
There have been several articles about Clojure-for-Ruby-programmers, Clojur
A new micro SQL DSL built upon clojure.contrib.sql has been started. It's on Github weighing in at a lightweight 76 loc.
There's a lot of examples and theory behind the DSL on the author's blog, linked on his Github profile (new user SO hyperlink limit bah). Its design allows SQL to be abstracted into much more idiomatic Clojure, I feel.