Welcome Pkranger -
We bought a 177 from Couch's RV Nation in April. We were happy with the price and happy we've been happy with the camper. Couch's beat our local dealer's best price.
Even though we've only owned our pod since April, we took it to Yellowstone and Grand Tetons National Parks for 3 weeks this summer along with several other trips to spots in MN plus, of course, the trip to bring it home from Couch's in Illinois. We have had (knocking on wood) absolutely no problems with the camper. Nothing needed attention upon delivery, nothing has broken, nothing has malfunctioned. The only problem was the attachment rail for the r-dome which I had to work on in order to get the r-dome on. But others have had this problem and it can be fixed.
As far as your specific concern about the slide. We have been in some very heavy storms without a drop of water coming in. One storm resulted in a tornado that touched down 13 miles from our campsite. The other was a downburst that did a lot of damage in West Yellowstone, about 3 miles from our campsite. So, you can imagine the amount of rain.
Since the pods are so small to begin with, the few square feet of extra room provided by the slide make a huge difference. We looked at the r-pods a year before we bought ours but decided they were just too small for us. We changed our minds when the 177 came out.
As far as the attention to quality and fit & finish, it's not great but probably not any worse than other campers built these days.
Steve, Anne, and Paige the Rat Terrier
2013 Lexus RX 450h Hybrid AWD
2011 RP-177 (aka: The Circus Wagon)