thanks for your replies i know everyone is different but its nice to get an idea.. i plan on doing running as i was a keen runner 3 years ago so i do intend on pushing myself when its safe to do so. im just very excited and think oh my goodness if i have the sleeve in jan as expected then going off "the norm" i could be more or less slim for christmas 2011, which is crazy to think of seen as i am so overweight now.. here's hoping