Hi to be honest article spinning use to bring great results yet recently we see more and more changes with Google cracking down on spinners. I mean Article Samurai is said to be a decent tool using the best spinner, I have tested it and it seems to be decent.
Yet the best results will be driven from authority PR article sites which are indexed in Google news. It is a real method of trial and error you can submit your article to 100 low quality article sites or 10 very high article sites which will yield better results.