Peaceful Gourami for community tank (maybe guppies)?

I have a 20 gallon tall: I have Platys, a pair of Swordtails, Neon Tetras, Red Eye Tetras, and a Ghost Shrimp. I want to get a Gourami, but I want a peaceful one. I DON'T have guppies, but I was thinking about it. Is there a Gourami that will get along with guppies, if I get them? If not, which are the most Docile of them? I've heard that Honey Gouramis are good, but I don't think they sell them at my Petco.