Oh my, I got myself a manual tommee tippee one, i got so frustrated when I spilled so much milk on the right and ended up with an inflated unmilked boob frustrated as the top of my back hurts so much I couldnt get comfy left went fine but was starting to be empty!! my OH will get me an electric one tomorrow but which one to get? because tommee tippee might not be most suitable for us! help us!