Wow!! Our tomato plants are just coming in reds, oranges and yellows. I think I may have to try the porters they sound like just perfect. We like the sun gold tomatoes as they are a small tomato like the Porters.
Have you tried a cucamelon ? I just read about them and may have to try it next year. Sutton Seeds has the seeds or plants: They are a small cucumber plant with a lime tinge.