Yes, a crime was committed. Unfortunately, not the one everyone was howling about.
There were zero indictments on the charges of outing a covert agent, after two years of investigation. You can mollify yourself with the idea that if the investigation runs another two years, something new will appear that will change all these facts, but I'll drop a stick-my-neck out on the table right now:
Barring dying of cancer or heart failure or something, Karl Rove and Dick Cheney will still be in office in December of 2008. Nothing more is going to come of this. The wad has been shot, and deep inside, you know it.