Reddit reviews Reflex Travel Couch in Black

I have a similar problem in that I want to use the main space as both a place for a table and chairs to work at and eat, and then later a place to put a sofa. I've been looking look at fold away sofa's. I like the look of these two, though I haven't tried either yet:

http://www.amazon.com/Reflex-Travel-Couch-in-Black/dp/B007FRZB6O

http://www.worldofdesigners.com/foldable-and-portable-sofa-by-kamkam/