It's offensive cyber. You want someone effective, not compliant. Are you suggesting Russian Cyber-Criminals are all hired because they are controllable?

I made a CAPTCHA using flickr images to try and get around this problem: http://www.planetjoel.com/viewarticle/630/Flickr-CAPTCHA+v0.2+using+PHP+and+the+FlickrAPI+for+human+recognition It's similar to Microsofts ASSIRA. I think this approach makes it more fun for the user and is harder for bots.