I don't know if this is just my pot or a general problem, but the seal feels very flimsy.  It take a long time to bring to pressure, about 15 mins in high heat, in which time I would think be enough time to cook the entire content just with the heat, and my food comes out a little burn on the bottom always, even though I put enough liquid as the recipe calls for.  I'm new to pressure cooking and I don't have other things to compare, but I just have feeling, this is not the way it's supposed to be.