Just some feedback and personal experience on Couch's RV Nation in Ohio. I purchased an Rpod 178 from them earlier this year (2014). I had them deliver the pod to my home so I didn't have a chance to inspect it. Luckily the Pod was in decent condition when it arrived. Just a few weird things I noticed, like missing screws and strange holes in the bottom of the Rpod but nothing that would affect it's normal operation. Based on the past posts on this Forum, these things seem to be normal quality issues experienced with trailers in this price range.
The sales price I got from Couch's was good but my biggest disappointment has been the lackluster customer support in getting spare parts. Originally the Pod was missing the Rdome I ordered with it and it took over a month for them to send it to me. Over the course of the last few months, I also asked for spare screws, plastic bumpers and other small missing parts for the shades and these request were either denied or took a lot of emails and phone calls before they finally sent them to me.
I guess the sum of my experience with them is decent prices but not very good customer support.
I hope this helps someone.