If you want to take your spinning to the next level, both in terms of permutations and quality, try UberCubez; 3d hyper-spining using multi-sentence selection, paragraph reordering and substitution, and a much easier to read and maintain structure than Spintax. It can output thousands of spintaxed submission-ready constructs from a single UberCube...
http://www.ubertoolz.com/demo/UberCubez.php