I usually try to research on various items I buy but this time I need some advise. I bought a Canon ELPH S330 two years ago before I had my twins. The shutter lag at that time was tolerable. Not only are they active and running around now, but it seems the shutter lag has become much longer. I have missed many shots of them. Alot of these pictures are taken indoors since we have long winters. I also need the camera to be small enough to carry in a purse or small bag. Please help point me in the right direction. Thanks.