http://forum.mikrotik.com/t/help-please-on-shaping/25634/4 http://forum.mikrotik.com/t/tree-queues-and-traffic-priority/25135/3
http://forum.mikrotik.com/t/mikrotik-learning-book/25988/1
Check these out. Check this one as well: http://forum.mikrotik.com/t/real-world-qos-tips-and-tricks/26347/1