I've been using Seventh Generation Natural Dish Liquid for the past three years. I have sensitive skin, and many other brands would cause severe skin irritation. I also have been edging more and more towards using non-toxic, all natural products, because they are healthier for me and my family, and better for the environment.
I use the free and clear version, and it has no scent and causes me zero irritation. The suds aren't as long lasting as with some products, so I do add extra to the water to make up for that. However, I haven't had a problem with it getting my dishes clean.
The price is higher than other brands, especially when you take into account that you may need to use about twice as much. Because of its other positive qualities, I will continue to buy it.