For custom, you want a local architect who can take into account the site conditions, orientation, sun travel, number in the family, ages of the family and a whole host of issues that buying a run of the mill non custom plan off of the net will not be able to take into account. Now, if you are misusing the word custom and actually mean semi-custom, where you try to fit a square peg into a round hole the best way you can, just with different paint colors, then buying any old plan off the net will be about as good as the next.:whistling