Since I have pounded my head against the wall dealing with NWEA, I went ahead and documented how I deployed it. So if you are going to deploy 6.4 to intel based macs you may want to give this a read. I used Composer and Self service to pretty much build the whole thing
http://tlarkin.com/tech/how-deploy-nwea-testtaker-64-intel-macs-casper
