We have this 6-Quart Cook & Carry Programmable Slow Cooker with Digital Timer and it's perfect for us. You can latch the sides so you're able to travel with it in the car and you don't have to worry about the slow cooker opening. When you're done cooking, it automatically switches to warm, which is great. Our old slow cooker turned off completely, which isn't good if you're not at home or ready to eat when it's done cooking. It's large and can fit a whole roast or chicken. We made a 3.5-pound pork tenderloin in it today and there was enough room for a second one. That's our suggestion, but you have to choose the slow cooker that you think will be large (or small) enough for your family.