Here I want to share some info on the style I currently practice, it's called Martial Science and is a very simple, practical and efective system which embraces all the training areas for a Ninjitsu practicioner. Since this martial arts focuses mainly in tactics that actually work for real self-defense situation, I think you can find it very useful. Here's the link and you can find more info regarding this excellent system:
http://theninjacamp.com