I spent the weekend marrying [link|http://www.fscript.org|FScript] and [link|http://www.toodarkpark.org/computers/objc/|Objective C] with [link|http://www.ghg.net/clips/CLIPS.html|CLIPS].
I need to do a cocoa UI and a palette for Interface Builder. Then you'll have expert systems capabilities at your fingertips as needed. Just define the rules for your objects and the system enforces them. Also need to define several deftemplates for common system classes.
Java, C##, Javascript, these languages are all from the dark ages. Who needs em?