I have tried Pilates. I really like how you spend a lot of time on generating awareness of your core, and you are right, Sohailla, these principles can be used throughout your day. It focuses a lot on posture and alignment, which can help us avoid back problems and injury all day every day.
[hr]Coach Katrina

"Not exercising is a depressant." 
-Tal David Ben-Shahar, Professor of Positive Psychology at Harvard University