We owned the original Rainshadow, and used it for our family hikes with our daughter. It really does sleep three people. As a two person shelter it's a palace. Used it on several hikes. We replaced it with a Double Rainbow, which has a lot less interior space -- enough so that we replaced that with another tent. If I had to pick between the two tents, for moderate 3-season use I'd get the Rainshadow.
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--Ken B